1661989679

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1\times {\mathrm{15679}}^1$

素因数の和:16502

約数の個数: 16

約数和(自身を含む): 2002022400

約数和(自身を除く): 340032721

約数列:

[1, 7, 19, 133, 797, 5579, 15143, 15679, 106001, 109753, 297901, 2085307, 12496163, 87473141, 237427097, 1661989679]

約数ペア:

[(1, 1661989679), (7, 237427097), (19, 87473141), (133, 12496163), (797, 2085307), (5579, 297901), (15143, 109753), (15679, 106001)]