642000710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4938467}}^1$

素因数の和:4938487

約数の個数: 16

約数和(自身を含む): 1244493936

約数和(自身を除く): 602493226

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 4938467, 9876934, 24692335, 49384670, 64200071, 128400142, 321000355, 642000710]

約数ペア:

[(1, 642000710), (2, 321000355), (5, 128400142), (10, 64200071), (13, 49384670), (26, 24692335), (65, 9876934), (130, 4938467)]