281947992

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{983}}^1$

素因数の和:1065

約数の個数: 128

約数和(自身を含む): 807667200

約数和(自身を除く): 525719208

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 37, 38, 51, 57, 68, 74, 76, 102, 111, 114, 136, 148, 152, 204, 222, 228, 296, 323, 408, 444, 456, 629, 646, 703, 888, 969, 983, 1258, 1292, 1406, 1887, 1938, 1966, 2109, 2516, 2584, 2812, 2949, 3774, 3876, 3932, 4218, 5032, 5624, 5898, 7548, 7752, 7864, 8436, 11796, 11951, 15096, 16711, 16872, 18677, 23592, 23902, 33422, 35853, 36371, 37354, 47804, 50133, 56031, 66844, 71706, 72742, 74708, 95608, 100266, 109113, 112062, 133688, 143412, 145484, 149416, 200532, 218226, 224124, 286824, 290968, 317509, 401064, 436452, 448248, 618307, 635018, 691049, 872904, 952527, 1236614, 1270036, 1382098, 1854921, 1905054, 2073147, 2473228, 2540072, 2764196, 3709842, 3810108, 4146294, 4946456, 5528392, 7419684, 7620216, 8292588, 11747833, 14839368, 16585176, 23495666, 35243499, 46991332, 70486998, 93982664, 140973996, 281947992]

約数ペア:

[(1, 281947992), (2, 140973996), (3, 93982664), (4, 70486998), (6, 46991332), (8, 35243499), (12, 23495666), (17, 16585176), (19, 14839368), (24, 11747833), (34, 8292588), (37, 7620216), (38, 7419684), (51, 5528392), (57, 4946456), (68, 4146294), (74, 3810108), (76, 3709842), (102, 2764196), (111, 2540072), (114, 2473228), (136, 2073147), (148, 1905054), (152, 1854921), (204, 1382098), (222, 1270036), (228, 1236614), (296, 952527), (323, 872904), (408, 691049), (444, 635018), (456, 618307), (629, 448248), (646, 436452), (703, 401064), (888, 317509), (969, 290968), (983, 286824), (1258, 224124), (1292, 218226), (1406, 200532), (1887, 149416), (1938, 145484), (1966, 143412), (2109, 133688), (2516, 112062), (2584, 109113), (2812, 100266), (2949, 95608), (3774, 74708), (3876, 72742), (3932, 71706), (4218, 66844), (5032, 56031), (5624, 50133), (5898, 47804), (7548, 37354), (7752, 36371), (7864, 35853), (8436, 33422), (11796, 23902), (11951, 23592), (15096, 18677), (16711, 16872)]