68999778

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{373}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 154028160

約数和(自身を除く): 85028382

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 239, 258, 373, 387, 478, 717, 746, 774, 1119, 1434, 2151, 2238, 3357, 4302, 6714, 10277, 16039, 20554, 30831, 32078, 48117, 61662, 89147, 92493, 96234, 144351, 178294, 184986, 267441, 288702, 534882, 802323, 1604646, 3833321, 7666642, 11499963, 22999926, 34499889, 68999778]

約数ペア:

[(1, 68999778), (2, 34499889), (3, 22999926), (6, 11499963), (9, 7666642), (18, 3833321), (43, 1604646), (86, 802323), (129, 534882), (239, 288702), (258, 267441), (373, 184986), (387, 178294), (478, 144351), (717, 96234), (746, 92493), (774, 89147), (1119, 61662), (1434, 48117), (2151, 32078), (2238, 30831), (3357, 20554), (4302, 16039), (6714, 10277)]