165804925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2441}}^1$

素因数の和:2494

約数の個数: 48

約数和(自身を含む): 254358720

約数和(自身を除く): 88553795

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 143, 209, 247, 275, 325, 475, 715, 1045, 1235, 2441, 2717, 3575, 5225, 6175, 12205, 13585, 26851, 31733, 46379, 61025, 67925, 134255, 158665, 231895, 349063, 510169, 602927, 671275, 793325, 1159475, 1745315, 2550845, 3014635, 6632197, 8726575, 12754225, 15073175, 33160985, 165804925]

約数ペア:

[(1, 165804925), (5, 33160985), (11, 15073175), (13, 12754225), (19, 8726575), (25, 6632197), (55, 3014635), (65, 2550845), (95, 1745315), (143, 1159475), (209, 793325), (247, 671275), (275, 602927), (325, 510169), (475, 349063), (715, 231895), (1045, 158665), (1235, 134255), (2441, 67925), (2717, 61025), (3575, 46379), (5225, 31733), (6175, 26851), (12205, 13585)]