647429336060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2490112831}}^1$

素因数の和:2490112853

約数の個数: 24

約数和(自身を含む): 1464186345216

約数和(自身を除く): 816757009156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2490112831, 4980225662, 9960451324, 12450564155, 24901128310, 32371466803, 49802256620, 64742933606, 129485867212, 161857334015, 323714668030, 647429336060]

約数ペア:

[(1, 647429336060), (2, 323714668030), (4, 161857334015), (5, 129485867212), (10, 64742933606), (13, 49802256620), (20, 32371466803), (26, 24901128310), (52, 12450564155), (65, 9960451324), (130, 4980225662), (260, 2490112831)]