68428451

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 93078720

約数和(自身を除く): 24650269

約数列:

[1, 7, 13, 17, 49, 71, 89, 91, 119, 221, 497, 623, 637, 833, 923, 1157, 1207, 1513, 1547, 3479, 4361, 6319, 6461, 8099, 8449, 10591, 10829, 15691, 19669, 44233, 45227, 56693, 59143, 74137, 82147, 107423, 109837, 137683, 309631, 575029, 751961, 768859, 963781, 1396499, 4025203, 5263727, 9775493, 68428451]

約数ペア:

[(1, 68428451), (7, 9775493), (13, 5263727), (17, 4025203), (49, 1396499), (71, 963781), (89, 768859), (91, 751961), (119, 575029), (221, 309631), (497, 137683), (623, 109837), (637, 107423), (833, 82147), (923, 74137), (1157, 59143), (1207, 56693), (1513, 45227), (1547, 44233), (3479, 19669), (4361, 15691), (6319, 10829), (6461, 10591), (8099, 8449)]