642743270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1097}}^1\times {\mathrm{4507}}^1$

素因数の和:5624

約数の個数: 32

約数和(自身を含む): 1247345568

約数和(自身を除く): 604602298

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1097, 2194, 4507, 5485, 9014, 10970, 14261, 22535, 28522, 45070, 58591, 71305, 117182, 142610, 292955, 585910, 4944179, 9888358, 24720895, 49441790, 64274327, 128548654, 321371635, 642743270]

約数ペア:

[(1, 642743270), (2, 321371635), (5, 128548654), (10, 64274327), (13, 49441790), (26, 24720895), (65, 9888358), (130, 4944179), (1097, 585910), (2194, 292955), (4507, 142610), (5485, 117182), (9014, 71305), (10970, 58591), (14261, 45070), (22535, 28522)]