163945493660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{8881121}}^1$

素因数の和:8881214

約数の個数: 48

約数和(自身を含む): 375991180992

約数和(自身を除く): 212045687332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460, 8881121, 17762242, 35524484, 44405605, 88811210, 115454573, 177622420, 230909146, 461818292, 577272865, 630559591, 1154545730, 1261119182, 2309091460, 2522238364, 3152797955, 6305595910, 8197274683, 12611191820, 16394549366, 32789098732, 40986373415, 81972746830, 163945493660]

約数ペア:

[(1, 163945493660), (2, 81972746830), (4, 40986373415), (5, 32789098732), (10, 16394549366), (13, 12611191820), (20, 8197274683), (26, 6305595910), (52, 3152797955), (65, 2522238364), (71, 2309091460), (130, 1261119182), (142, 1154545730), (260, 630559591), (284, 577272865), (355, 461818292), (710, 230909146), (923, 177622420), (1420, 115454573), (1846, 88811210), (3692, 44405605), (4615, 35524484), (9230, 17762242), (18460, 8881121)]