123656386

素因数分解:

$2^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{17989}}^1$

素因数の和:18489

約数の個数: 16

約数和(自身を含む): 212425920

約数和(自身を除く): 88769534

約数列:

[1, 2, 7, 14, 491, 982, 3437, 6874, 17989, 35978, 125923, 251846, 8832599, 17665198, 61828193, 123656386]

約数ペア:

[(1, 123656386), (2, 61828193), (7, 17665198), (14, 8832599), (491, 251846), (982, 125923), (3437, 35978), (6874, 17989)]