201969890

素因数分解:

$2^1\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{12791}}^1$

素因数の和:14377

約数の個数: 16

約数和(自身を含む): 363804480

約数和(自身を除く): 161834590

約数列:

[1, 2, 5, 10, 1579, 3158, 7895, 12791, 15790, 25582, 63955, 127910, 20196989, 40393978, 100984945, 201969890]

約数ペア:

[(1, 201969890), (2, 100984945), (5, 40393978), (10, 20196989), (1579, 127910), (3158, 63955), (7895, 25582), (12791, 15790)]