123131309104

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1319}}^1\times {\mathrm{307079}}^1$

素因数の和:308425

約数の個数: 40

約数和(自身を含む): 251314272000

約数和(自身を除く): 128182962896

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1319, 2638, 5276, 10552, 21104, 25061, 50122, 100244, 200488, 307079, 400976, 614158, 1228316, 2456632, 4913264, 5834501, 11669002, 23338004, 46676008, 93352016, 405037201, 810074402, 1620148804, 3240297608, 6480595216, 7695706819, 15391413638, 30782827276, 61565654552, 123131309104]

約数ペア:

[(1, 123131309104), (2, 61565654552), (4, 30782827276), (8, 15391413638), (16, 7695706819), (19, 6480595216), (38, 3240297608), (76, 1620148804), (152, 810074402), (304, 405037201), (1319, 93352016), (2638, 46676008), (5276, 23338004), (10552, 11669002), (21104, 5834501), (25061, 4913264), (50122, 2456632), (100244, 1228316), (200488, 614158), (307079, 400976)]