6469991.00000000

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 28934496

約数和(自身を除く): 14942986

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 487, 845, 974, 1105, 1690, 2210, 2435, 2873, 4870, 5746, 6331, 8279, 12662, 14365, 16558, 28730, 31655, 41395, 63310, 82303, 82790, 107627, 164606, 215254, 411515, 538135, 823030, 1076270, 1399151, 2798302, 6995755, 13991510]

約数ペア:

[(1, 13991510), (2, 6995755), (5, 2798302), (10, 1399151), (13, 1076270), (17, 823030), (26, 538135), (34, 411515), (65, 215254), (85, 164606), (130, 107627), (169, 82790), (170, 82303), (221, 63310), (338, 41395), (442, 31655), (487, 28730), (845, 16558), (974, 14365), (1105, 12662), (1690, 8279), (2210, 6331), (2435, 5746), (2873, 4870)]