197639632

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{398467}}^1$

素因数の和:398506

約数の個数: 20

約数和(自身を含む): 395280256

約数和(自身を除く): 197640624

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 398467, 796934, 1593868, 3187736, 6375472, 12352477, 24704954, 49409908, 98819816, 197639632]

約数ペア:

[(1, 197639632), (2, 98819816), (4, 49409908), (8, 24704954), (16, 12352477), (31, 6375472), (62, 3187736), (124, 1593868), (248, 796934), (496, 398467)]