66156025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 92994048

約数和(自身を除く): 26838023

約数列:

[1, 5, 13, 25, 47, 61, 65, 71, 235, 305, 325, 355, 611, 793, 923, 1175, 1525, 1775, 2867, 3055, 3337, 3965, 4331, 4615, 14335, 15275, 16685, 19825, 21655, 23075, 37271, 43381, 56303, 71675, 83425, 108275, 186355, 203557, 216905, 281515, 931775, 1017785, 1084525, 1407575, 2646241, 5088925, 13231205, 66156025]

約数ペア:

[(1, 66156025), (5, 13231205), (13, 5088925), (25, 2646241), (47, 1407575), (61, 1084525), (65, 1017785), (71, 931775), (235, 281515), (305, 216905), (325, 203557), (355, 186355), (611, 108275), (793, 83425), (923, 71675), (1175, 56303), (1525, 43381), (1775, 37271), (2867, 23075), (3055, 21655), (3337, 19825), (3965, 16685), (4331, 15275), (4615, 14335)]