257979216

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{701}}^1$

素因数の和:781

約数の個数: 160

約数和(自身を含む): 789699456

約数和(自身を除く): 531720240

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 41, 44, 48, 51, 66, 68, 82, 88, 102, 123, 132, 136, 164, 176, 187, 204, 246, 264, 272, 328, 374, 408, 451, 492, 528, 561, 656, 697, 701, 748, 816, 902, 984, 1122, 1353, 1394, 1402, 1496, 1804, 1968, 2091, 2103, 2244, 2706, 2788, 2804, 2992, 3608, 4182, 4206, 4488, 5412, 5576, 5608, 7216, 7667, 7711, 8364, 8412, 8976, 10824, 11152, 11216, 11917, 15334, 15422, 16728, 16824, 21648, 23001, 23133, 23834, 28741, 30668, 30844, 33456, 33648, 35751, 46002, 46266, 47668, 57482, 61336, 61688, 71502, 86223, 92004, 92532, 95336, 114964, 122672, 123376, 131087, 143004, 172446, 184008, 185064, 190672, 229928, 262174, 286008, 316151, 344892, 368016, 370128, 393261, 459856, 488597, 524348, 572016, 632302, 689784, 786522, 948453, 977194, 1048696, 1264604, 1379568, 1465791, 1573044, 1896906, 1954388, 2097392, 2529208, 2931582, 3146088, 3793812, 3908776, 5058416, 5374567, 5863164, 6292176, 7587624, 7817552, 10749134, 11726328, 15175248, 16123701, 21498268, 23452656, 32247402, 42996536, 64494804, 85993072, 128989608, 257979216]

約数ペア:

[(1, 257979216), (2, 128989608), (3, 85993072), (4, 64494804), (6, 42996536), (8, 32247402), (11, 23452656), (12, 21498268), (16, 16123701), (17, 15175248), (22, 11726328), (24, 10749134), (33, 7817552), (34, 7587624), (41, 6292176), (44, 5863164), (48, 5374567), (51, 5058416), (66, 3908776), (68, 3793812), (82, 3146088), (88, 2931582), (102, 2529208), (123, 2097392), (132, 1954388), (136, 1896906), (164, 1573044), (176, 1465791), (187, 1379568), (204, 1264604), (246, 1048696), (264, 977194), (272, 948453), (328, 786522), (374, 689784), (408, 632302), (451, 572016), (492, 524348), (528, 488597), (561, 459856), (656, 393261), (697, 370128), (701, 368016), (748, 344892), (816, 316151), (902, 286008), (984, 262174), (1122, 229928), (1353, 190672), (1394, 185064), (1402, 184008), (1496, 172446), (1804, 143004), (1968, 131087), (2091, 123376), (2103, 122672), (2244, 114964), (2706, 95336), (2788, 92532), (2804, 92004), (2992, 86223), (3608, 71502), (4182, 61688), (4206, 61336), (4488, 57482), (5412, 47668), (5576, 46266), (5608, 46002), (7216, 35751), (7667, 33648), (7711, 33456), (8364, 30844), (8412, 30668), (8976, 28741), (10824, 23834), (11152, 23133), (11216, 23001), (11917, 21648), (15334, 16824), (15422, 16728)]