31579948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 61544448

約数和(自身を除く): 29964500

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 71, 124, 142, 211, 284, 422, 527, 844, 1054, 1207, 2108, 2201, 2414, 3587, 4402, 4828, 6541, 7174, 8804, 13082, 14348, 14981, 26164, 29962, 37417, 59924, 74834, 111197, 149668, 222394, 254677, 444788, 464411, 509354, 928822, 1018708, 1857644, 7894987, 15789974, 31579948]

約数ペア:

[(1, 31579948), (2, 15789974), (4, 7894987), (17, 1857644), (31, 1018708), (34, 928822), (62, 509354), (68, 464411), (71, 444788), (124, 254677), (142, 222394), (211, 149668), (284, 111197), (422, 74834), (527, 59924), (844, 37417), (1054, 29962), (1207, 26164), (2108, 14981), (2201, 14348), (2414, 13082), (3587, 8804), (4402, 7174), (4828, 6541)]