71991175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{727}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 95056416

約数和(自身を除く): 23065241

約数列:

[1, 5, 17, 25, 85, 233, 425, 727, 1165, 3635, 3961, 5825, 12359, 18175, 19805, 61795, 99025, 169391, 308975, 846955, 2879647, 4234775, 14398235, 71991175]

約数ペア:

[(1, 71991175), (5, 14398235), (17, 4234775), (25, 2879647), (85, 846955), (233, 308975), (425, 169391), (727, 99025), (1165, 61795), (3635, 19805), (3961, 18175), (5825, 12359)]