642161518

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{228853}}^1$

素因数の和:228939

約数の個数: 16

約数和(自身を含む): 1021604256

約数和(自身を除く): 379442738

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 228853, 457706, 5263619, 10527238, 13960033, 27920066, 321080759, 642161518]

約数ペア:

[(1, 642161518), (2, 321080759), (23, 27920066), (46, 13960033), (61, 10527238), (122, 5263619), (1403, 457706), (2806, 228853)]