728196590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{93239}}^1$

素因数の和:93328

約数の個数: 32

約数和(自身を含む): 1450068480

約数和(自身を除く): 721871890

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 93239, 186478, 466195, 932390, 1025629, 2051258, 5128145, 6619969, 10256290, 13239938, 33099845, 66199690, 72819659, 145639318, 364098295, 728196590]

約数ペア:

[(1, 728196590), (2, 364098295), (5, 145639318), (10, 72819659), (11, 66199690), (22, 33099845), (55, 13239938), (71, 10256290), (110, 6619969), (142, 5128145), (355, 2051258), (710, 1025629), (781, 932390), (1562, 466195), (3905, 186478), (7810, 93239)]