261375079679

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1\times {\mathrm{160781}}^1$

素因数の和:161543

約数の個数: 32

約数和(自身を含む): 333397555200

約数和(自身を除く): 72022475521

約数列:

[1, 7, 17, 19, 119, 133, 323, 719, 2261, 5033, 12223, 13661, 85561, 95627, 160781, 232237, 1125467, 1625659, 2733277, 3054839, 19132939, 21383873, 51932263, 115601539, 363525841, 809210773, 1965226163, 2196429241, 13756583141, 15375004687, 37339297097, 261375079679]

約数ペア:

[(1, 261375079679), (7, 37339297097), (17, 15375004687), (19, 13756583141), (119, 2196429241), (133, 1965226163), (323, 809210773), (719, 363525841), (2261, 115601539), (5033, 51932263), (12223, 21383873), (13661, 19132939), (85561, 3054839), (95627, 2733277), (160781, 1625659), (232237, 1125467)]