90123904

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1389

約数の個数: 64

約数和(自身を含む): 198220680

約数和(自身を除く): 108096776

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 128, 164, 208, 328, 416, 533, 656, 832, 1066, 1312, 1321, 1664, 2132, 2624, 2642, 4264, 5248, 5284, 8528, 10568, 17056, 17173, 21136, 34112, 34346, 42272, 54161, 68224, 68692, 84544, 108322, 137384, 169088, 216644, 274768, 433288, 549536, 704093, 866576, 1099072, 1408186, 1733152, 2198144, 2816372, 3466304, 5632744, 6932608, 11265488, 22530976, 45061952, 90123904]

約数ペア:

[(1, 90123904), (2, 45061952), (4, 22530976), (8, 11265488), (13, 6932608), (16, 5632744), (26, 3466304), (32, 2816372), (41, 2198144), (52, 1733152), (64, 1408186), (82, 1099072), (104, 866576), (128, 704093), (164, 549536), (208, 433288), (328, 274768), (416, 216644), (533, 169088), (656, 137384), (832, 108322), (1066, 84544), (1312, 68692), (1321, 68224), (1664, 54161), (2132, 42272), (2624, 34346), (2642, 34112), (4264, 21136), (5248, 17173), (5284, 17056), (8528, 10568)]