1977490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6379}}^1$

素因数の和:6417

約数の個数: 16

約数和(自身を含む): 3674880

約数和(自身を除く): 1697390

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 6379, 12758, 31895, 63790, 197749, 395498, 988745, 1977490]

約数ペア:

[(1, 1977490), (2, 988745), (5, 395498), (10, 197749), (31, 63790), (62, 31895), (155, 12758), (310, 6379)]