316864144

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{638839}}^1$

素因数の和:638878

約数の個数: 20

約数和(自身を含む): 633729280

約数和(自身を除く): 316865136

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 638839, 1277678, 2555356, 5110712, 10221424, 19804009, 39608018, 79216036, 158432072, 316864144]

約数ペア:

[(1, 316864144), (2, 158432072), (4, 79216036), (8, 39608018), (16, 19804009), (31, 10221424), (62, 5110712), (124, 2555356), (248, 1277678), (496, 638839)]