628340830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{254389}}^1$

素因数の和:254428

約数の個数: 32

約数和(自身を含む): 1282125600

約数和(自身を除く): 653784770

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 254389, 508778, 1271945, 2543890, 3307057, 4833391, 6614114, 9666782, 16535285, 24166955, 33070570, 48333910, 62834083, 125668166, 314170415, 628340830]

約数ペア:

[(1, 628340830), (2, 314170415), (5, 125668166), (10, 62834083), (13, 48333910), (19, 33070570), (26, 24166955), (38, 16535285), (65, 9666782), (95, 6614114), (130, 4833391), (190, 3307057), (247, 2543890), (494, 1271945), (1235, 508778), (2470, 254389)]