68438968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{6389}}^1$

素因数の和:6511

約数の個数: 32

約数和(自身を含む): 139557600

約数和(自身を除く): 71118632

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 2678, 5356, 6389, 10712, 12778, 25556, 51112, 83057, 166114, 332228, 658067, 664456, 1316134, 2632268, 5264536, 8554871, 17109742, 34219484, 68438968]

約数ペア:

[(1, 68438968), (2, 34219484), (4, 17109742), (8, 8554871), (13, 5264536), (26, 2632268), (52, 1316134), (103, 664456), (104, 658067), (206, 332228), (412, 166114), (824, 83057), (1339, 51112), (2678, 25556), (5356, 12778), (6389, 10712)]