639114838

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{1031}}^1\times {\mathrm{8377}}^1$

素因数の和:9447

約数の個数: 16

約数和(自身を含む): 985654944

約数和(自身を除く): 346540106

約数列:

[1, 2, 37, 74, 1031, 2062, 8377, 16754, 38147, 76294, 309949, 619898, 8636687, 17273374, 319557419, 639114838]

約数ペア:

[(1, 639114838), (2, 319557419), (37, 17273374), (74, 8636687), (1031, 619898), (2062, 309949), (8377, 76294), (16754, 38147)]