639355312

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{57331}}^1$

素因数の和:57397

約数の個数: 40

約数和(自身を含む): 1343632752

約数和(自身を除く): 704277440

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 68, 82, 136, 164, 272, 328, 656, 697, 1394, 2788, 5576, 11152, 57331, 114662, 229324, 458648, 917296, 974627, 1949254, 2350571, 3898508, 4701142, 7797016, 9402284, 15594032, 18804568, 37609136, 39959707, 79919414, 159838828, 319677656, 639355312]

約数ペア:

[(1, 639355312), (2, 319677656), (4, 159838828), (8, 79919414), (16, 39959707), (17, 37609136), (34, 18804568), (41, 15594032), (68, 9402284), (82, 7797016), (136, 4701142), (164, 3898508), (272, 2350571), (328, 1949254), (656, 974627), (697, 917296), (1394, 458648), (2788, 229324), (5576, 114662), (11152, 57331)]