68921008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3217}}^1$

素因数の和:3341

約数の個数: 40

約数和(自身を含む): 145247648

約数和(自身を除く): 76326640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 206, 208, 412, 824, 1339, 1648, 2678, 3217, 5356, 6434, 10712, 12868, 21424, 25736, 41821, 51472, 83642, 167284, 331351, 334568, 662702, 669136, 1325404, 2650808, 4307563, 5301616, 8615126, 17230252, 34460504, 68921008]

約数ペア:

[(1, 68921008), (2, 34460504), (4, 17230252), (8, 8615126), (13, 5301616), (16, 4307563), (26, 2650808), (52, 1325404), (103, 669136), (104, 662702), (206, 334568), (208, 331351), (412, 167284), (824, 83642), (1339, 51472), (1648, 41821), (2678, 25736), (3217, 21424), (5356, 12868), (6434, 10712)]