71781775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5387}}^1$

素因数の和:5451

約数の個数: 24

約数和(自身を含む): 98212464

約数和(自身を除く): 26430689

約数列:

[1, 5, 13, 25, 41, 65, 205, 325, 533, 1025, 2665, 5387, 13325, 26935, 70031, 134675, 220867, 350155, 1104335, 1750775, 2871271, 5521675, 14356355, 71781775]

約数ペア:

[(1, 71781775), (5, 14356355), (13, 5521675), (25, 2871271), (41, 1750775), (65, 1104335), (205, 350155), (325, 220867), (533, 134675), (1025, 70031), (2665, 26935), (5387, 13325)]