78281690

素因数分解:

$2^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{29101}}^1$

素因数の和:29377

約数の個数: 16

約数和(自身を含む): 141435720

約数和(自身を除く): 63154030

約数列:

[1, 2, 5, 10, 269, 538, 1345, 2690, 29101, 58202, 145505, 291010, 7828169, 15656338, 39140845, 78281690]

約数ペア:

[(1, 78281690), (2, 39140845), (5, 15656338), (10, 7828169), (269, 291010), (538, 145505), (1345, 58202), (2690, 29101)]