128219676

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 342451200

約数和(自身を除く): 214231524

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 181, 228, 239, 247, 362, 478, 494, 543, 717, 724, 741, 956, 988, 1086, 1434, 1482, 2172, 2353, 2868, 2964, 3107, 3439, 4541, 4706, 6214, 6878, 7059, 9082, 9321, 9412, 10317, 12428, 13623, 13756, 14118, 18164, 18642, 20634, 27246, 28236, 37284, 41268, 43259, 44707, 54492, 59033, 86518, 89414, 118066, 129777, 134121, 173036, 177099, 178828, 236132, 259554, 268242, 354198, 519108, 536484, 562367, 708396, 821921, 1124734, 1643842, 1687101, 2249468, 2465763, 3287684, 3374202, 4931526, 6748404, 9863052, 10684973, 21369946, 32054919, 42739892, 64109838, 128219676]

約数ペア:

[(1, 128219676), (2, 64109838), (3, 42739892), (4, 32054919), (6, 21369946), (12, 10684973), (13, 9863052), (19, 6748404), (26, 4931526), (38, 3374202), (39, 3287684), (52, 2465763), (57, 2249468), (76, 1687101), (78, 1643842), (114, 1124734), (156, 821921), (181, 708396), (228, 562367), (239, 536484), (247, 519108), (362, 354198), (478, 268242), (494, 259554), (543, 236132), (717, 178828), (724, 177099), (741, 173036), (956, 134121), (988, 129777), (1086, 118066), (1434, 89414), (1482, 86518), (2172, 59033), (2353, 54492), (2868, 44707), (2964, 43259), (3107, 41268), (3439, 37284), (4541, 28236), (4706, 27246), (6214, 20634), (6878, 18642), (7059, 18164), (9082, 14118), (9321, 13756), (9412, 13623), (10317, 12428)]