639174385

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{34429}}^1$

素因数の和:34560

約数の個数: 16

約数和(自身を含む): 793267200

約数和(自身を除く): 154092815

約数列:

[1, 5, 47, 79, 235, 395, 3713, 18565, 34429, 172145, 1618163, 2719891, 8090815, 13599455, 127834877, 639174385]

約数ペア:

[(1, 639174385), (5, 127834877), (47, 13599455), (79, 8090815), (235, 2719891), (395, 1618163), (3713, 172145), (18565, 34429)]