257152812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 192

約数和(自身を含む): 774660096

約数和(自身を除く): 517507284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 31, 34, 37, 42, 51, 62, 68, 74, 84, 93, 102, 111, 119, 124, 148, 157, 186, 204, 217, 222, 238, 259, 314, 357, 372, 434, 444, 471, 476, 518, 527, 628, 629, 651, 714, 777, 868, 942, 1036, 1054, 1099, 1147, 1258, 1302, 1428, 1554, 1581, 1884, 1887, 2108, 2198, 2294, 2516, 2604, 2669, 3108, 3162, 3297, 3441, 3689, 3774, 4396, 4403, 4588, 4867, 5338, 5809, 6324, 6594, 6882, 7378, 7548, 8007, 8029, 8806, 9734, 10676, 11067, 11618, 13188, 13209, 13764, 14601, 14756, 16014, 16058, 17427, 17612, 18683, 19468, 19499, 22134, 23236, 24087, 26418, 29202, 32028, 32116, 34069, 34854, 37366, 38998, 40663, 44268, 48174, 52836, 56049, 58404, 58497, 68138, 69708, 74732, 77996, 81326, 82739, 96348, 98753, 102207, 112098, 116994, 121989, 136276, 136493, 162652, 165478, 180079, 197506, 204414, 224196, 233988, 243978, 248217, 272986, 296259, 330956, 360158, 395012, 408828, 409479, 487956, 496434, 540237, 545972, 579173, 592518, 691271, 720316, 818958, 992868, 1080474, 1158346, 1185036, 1260553, 1382542, 1637916, 1737519, 2073813, 2160948, 2316692, 2521106, 2765084, 3061343, 3475038, 3781659, 4147626, 5042212, 6122686, 6950076, 7563318, 8295252, 9184029, 12245372, 15126636, 18368058, 21429401, 36736116, 42858802, 64288203, 85717604, 128576406, 257152812]

約数ペア:

[(1, 257152812), (2, 128576406), (3, 85717604), (4, 64288203), (6, 42858802), (7, 36736116), (12, 21429401), (14, 18368058), (17, 15126636), (21, 12245372), (28, 9184029), (31, 8295252), (34, 7563318), (37, 6950076), (42, 6122686), (51, 5042212), (62, 4147626), (68, 3781659), (74, 3475038), (84, 3061343), (93, 2765084), (102, 2521106), (111, 2316692), (119, 2160948), (124, 2073813), (148, 1737519), (157, 1637916), (186, 1382542), (204, 1260553), (217, 1185036), (222, 1158346), (238, 1080474), (259, 992868), (314, 818958), (357, 720316), (372, 691271), (434, 592518), (444, 579173), (471, 545972), (476, 540237), (518, 496434), (527, 487956), (628, 409479), (629, 408828), (651, 395012), (714, 360158), (777, 330956), (868, 296259), (942, 272986), (1036, 248217), (1054, 243978), (1099, 233988), (1147, 224196), (1258, 204414), (1302, 197506), (1428, 180079), (1554, 165478), (1581, 162652), (1884, 136493), (1887, 136276), (2108, 121989), (2198, 116994), (2294, 112098), (2516, 102207), (2604, 98753), (2669, 96348), (3108, 82739), (3162, 81326), (3297, 77996), (3441, 74732), (3689, 69708), (3774, 68138), (4396, 58497), (4403, 58404), (4588, 56049), (4867, 52836), (5338, 48174), (5809, 44268), (6324, 40663), (6594, 38998), (6882, 37366), (7378, 34854), (7548, 34069), (8007, 32116), (8029, 32028), (8806, 29202), (9734, 26418), (10676, 24087), (11067, 23236), (11618, 22134), (13188, 19499), (13209, 19468), (13764, 18683), (14601, 17612), (14756, 17427), (16014, 16058)]