647544968

素因数分解:

$2^3\times 7^1\times {\mathrm{11563303}}^1$

素因数の和:11563316

約数の個数: 16

約数和(自身を含む): 1387596480

約数和(自身を除く): 740051512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 11563303, 23126606, 46253212, 80943121, 92506424, 161886242, 323772484, 647544968]

約数ペア:

[(1, 647544968), (2, 323772484), (4, 161886242), (7, 92506424), (8, 80943121), (14, 46253212), (28, 23126606), (56, 11563303)]