123799408

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1747}}^1$

素因数の和:1901

約数の個数: 40

約数和(自身を含む): 247964288

約数和(自身を除く): 124164880

約数列:

[1, 2, 4, 8, 16, 43, 86, 103, 172, 206, 344, 412, 688, 824, 1648, 1747, 3494, 4429, 6988, 8858, 13976, 17716, 27952, 35432, 70864, 75121, 150242, 179941, 300484, 359882, 600968, 719764, 1201936, 1439528, 2879056, 7737463, 15474926, 30949852, 61899704, 123799408]

約数ペア:

[(1, 123799408), (2, 61899704), (4, 30949852), (8, 15474926), (16, 7737463), (43, 2879056), (86, 1439528), (103, 1201936), (172, 719764), (206, 600968), (344, 359882), (412, 300484), (688, 179941), (824, 150242), (1648, 75121), (1747, 70864), (3494, 35432), (4429, 27952), (6988, 17716), (8858, 13976)]