77738170

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{39461}}^1$

素因数の和:39665

約数の個数: 16

約数和(自身を含む): 140642568

約数和(自身を除く): 62904398

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 39461, 78922, 197305, 394610, 7773817, 15547634, 38869085, 77738170]

約数ペア:

[(1, 77738170), (2, 38869085), (5, 15547634), (10, 7773817), (197, 394610), (394, 197305), (985, 78922), (1970, 39461)]