31294648

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 74027520

約数和(自身を除く): 42732872

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 101, 154, 202, 308, 404, 503, 616, 707, 808, 1006, 1111, 1414, 2012, 2222, 2828, 3521, 4024, 4444, 5533, 5656, 7042, 7777, 8888, 11066, 14084, 15554, 22132, 28168, 31108, 38731, 44264, 50803, 62216, 77462, 101606, 154924, 203212, 309848, 355621, 406424, 558833, 711242, 1117666, 1422484, 2235332, 2844968, 3911831, 4470664, 7823662, 15647324, 31294648]

約数ペア:

[(1, 31294648), (2, 15647324), (4, 7823662), (7, 4470664), (8, 3911831), (11, 2844968), (14, 2235332), (22, 1422484), (28, 1117666), (44, 711242), (56, 558833), (77, 406424), (88, 355621), (101, 309848), (154, 203212), (202, 154924), (308, 101606), (404, 77462), (503, 62216), (616, 50803), (707, 44264), (808, 38731), (1006, 31108), (1111, 28168), (1414, 22132), (2012, 15554), (2222, 14084), (2828, 11066), (3521, 8888), (4024, 7777), (4444, 7042), (5533, 5656)]