71387928

素因数分解:

$2^3\times 3^2\times {\mathrm{991499}}^1$

素因数の和:991511

約数の個数: 24

約数和(自身を含む): 193342500

約数和(自身を除く): 121954572

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 991499, 1982998, 2974497, 3965996, 5948994, 7931992, 8923491, 11897988, 17846982, 23795976, 35693964, 71387928]

約数ペア:

[(1, 71387928), (2, 35693964), (3, 23795976), (4, 17846982), (6, 11897988), (8, 8923491), (9, 7931992), (12, 5948994), (18, 3965996), (24, 2974497), (36, 1982998), (72, 991499)]