78985118

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{2389}}^1$

素因数の和:2723

約数の個数: 16

約数和(自身を含む): 120914880

約数和(自身を除く): 41929762

約数列:

[1, 2, 61, 122, 271, 542, 2389, 4778, 16531, 33062, 145729, 291458, 647419, 1294838, 39492559, 78985118]

約数ペア:

[(1, 78985118), (2, 39492559), (61, 1294838), (122, 647419), (271, 291458), (542, 145729), (2389, 33062), (4778, 16531)]