638863730

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{267307}}^1$

素因数の和:267553

約数の個数: 16

約数和(自身を含む): 1154770560

約数和(自身を除く): 515906830

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 267307, 534614, 1336535, 2673070, 63886373, 127772746, 319431865, 638863730]

約数ペア:

[(1, 638863730), (2, 319431865), (5, 127772746), (10, 63886373), (239, 2673070), (478, 1336535), (1195, 534614), (2390, 267307)]