1880971253

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{129749}}^1$

素因数の和:129884

約数の個数: 16

約数和(自身を含む): 2283600000

約数和(自身を除く): 402628747

約数列:

[1, 7, 19, 109, 133, 763, 2071, 14497, 129749, 908243, 2465231, 14142641, 17256617, 98998487, 268710179, 1880971253]

約数ペア:

[(1, 1880971253), (7, 268710179), (19, 98998487), (109, 17256617), (133, 14142641), (763, 2465231), (2071, 908243), (14497, 129749)]