31421908

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 65253888

約数和(自身を除く): 33831980

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 101, 164, 202, 271, 287, 404, 542, 574, 707, 1084, 1148, 1414, 1897, 2828, 3794, 4141, 7588, 8282, 11111, 16564, 22222, 27371, 28987, 44444, 54742, 57974, 77777, 109484, 115948, 155554, 191597, 311108, 383194, 766388, 1122211, 2244422, 4488844, 7855477, 15710954, 31421908]

約数ペア:

[(1, 31421908), (2, 15710954), (4, 7855477), (7, 4488844), (14, 2244422), (28, 1122211), (41, 766388), (82, 383194), (101, 311108), (164, 191597), (202, 155554), (271, 115948), (287, 109484), (404, 77777), (542, 57974), (574, 54742), (707, 44444), (1084, 28987), (1148, 27371), (1414, 22222), (1897, 16564), (2828, 11111), (3794, 8282), (4141, 7588)]