557296

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:640

約数の個数: 20

約数和(自身を含む): 1099384

約数和(自身を除く): 542088

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 571, 976, 1142, 2284, 4568, 9136, 34831, 69662, 139324, 278648, 557296]

約数ペア:

[(1, 557296), (2, 278648), (4, 139324), (8, 69662), (16, 34831), (61, 9136), (122, 4568), (244, 2284), (488, 1142), (571, 976)]