664838090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{306377}}^1$

素因数の和:306422

約数の個数: 32

約数和(自身を含む): 1411789824

約数和(自身を除く): 746951734

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 306377, 612754, 1531885, 2144639, 3063770, 4289278, 9497687, 10723195, 18995374, 21446390, 47488435, 66483809, 94976870, 132967618, 332419045, 664838090]

約数ペア:

[(1, 664838090), (2, 332419045), (5, 132967618), (7, 94976870), (10, 66483809), (14, 47488435), (31, 21446390), (35, 18995374), (62, 10723195), (70, 9497687), (155, 4289278), (217, 3063770), (310, 2144639), (434, 1531885), (1085, 612754), (2170, 306377)]