669867838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1\times {\mathrm{691}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 1074205440

約数和(自身を除く): 404337602

約数列:

[1, 2, 19, 38, 97, 194, 263, 526, 691, 1382, 1843, 3686, 4997, 9994, 13129, 25511, 26258, 51022, 67027, 134054, 181733, 363466, 484709, 969418, 1273513, 2547026, 3452927, 6905854, 17628101, 35256202, 334933919, 669867838]

約数ペア:

[(1, 669867838), (2, 334933919), (19, 35256202), (38, 17628101), (97, 6905854), (194, 3452927), (263, 2547026), (526, 1273513), (691, 969418), (1382, 484709), (1843, 363466), (3686, 181733), (4997, 134054), (9994, 67027), (13129, 51022), (25511, 26258)]