419185390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{11987}}^1$

素因数の和:12276

約数の個数: 32

約数和(自身を含む): 815663520

約数和(自身を除く): 396478130

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 269, 538, 1345, 2690, 3497, 6994, 11987, 17485, 23974, 34970, 59935, 119870, 155831, 311662, 779155, 1558310, 3224503, 6449006, 16122515, 32245030, 41918539, 83837078, 209592695, 419185390]

約数ペア:

[(1, 419185390), (2, 209592695), (5, 83837078), (10, 41918539), (13, 32245030), (26, 16122515), (65, 6449006), (130, 3224503), (269, 1558310), (538, 779155), (1345, 311662), (2690, 155831), (3497, 119870), (6994, 59935), (11987, 34970), (17485, 23974)]