131220008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 270663120

約数和(自身を除く): 139443112

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 101, 136, 164, 202, 233, 328, 404, 466, 697, 808, 932, 1394, 1717, 1864, 2788, 3434, 3961, 4141, 5576, 6868, 7922, 8282, 9553, 13736, 15844, 16564, 19106, 23533, 31688, 33128, 38212, 47066, 70397, 76424, 94132, 140794, 162401, 188264, 281588, 324802, 400061, 563176, 649604, 800122, 964853, 1299208, 1600244, 1929706, 3200488, 3859412, 7718824, 16402501, 32805002, 65610004, 131220008]

約数ペア:

[(1, 131220008), (2, 65610004), (4, 32805002), (8, 16402501), (17, 7718824), (34, 3859412), (41, 3200488), (68, 1929706), (82, 1600244), (101, 1299208), (136, 964853), (164, 800122), (202, 649604), (233, 563176), (328, 400061), (404, 324802), (466, 281588), (697, 188264), (808, 162401), (932, 140794), (1394, 94132), (1717, 76424), (1864, 70397), (2788, 47066), (3434, 38212), (3961, 33128), (4141, 31688), (5576, 23533), (6868, 19106), (7922, 16564), (8282, 15844), (9553, 13736)]