68478890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{402817}}^1$

素因数の和:402841

約数の個数: 16

約数和(自身を含む): 130513032

約数和(自身を除く): 62034142

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 402817, 805634, 2014085, 4028170, 6847889, 13695778, 34239445, 68478890]

約数ペア:

[(1, 68478890), (2, 34239445), (5, 13695778), (10, 6847889), (17, 4028170), (34, 2014085), (85, 805634), (170, 402817)]