680822

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 16

約数和(自身を含む): 1075200

約数和(自身を除く): 394378

約数列:

[1, 2, 31, 62, 79, 139, 158, 278, 2449, 4309, 4898, 8618, 10981, 21962, 340411, 680822]

約数ペア:

[(1, 680822), (2, 340411), (31, 21962), (62, 10981), (79, 8618), (139, 4898), (158, 4309), (278, 2449)]