16516225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 24552000

約数和(自身を除く): 8035775

約数列:

[1, 5, 11, 19, 25, 29, 55, 95, 109, 145, 209, 275, 319, 475, 545, 551, 725, 1045, 1199, 1595, 2071, 2725, 2755, 3161, 5225, 5995, 6061, 7975, 10355, 13775, 15805, 22781, 29975, 30305, 34771, 51775, 60059, 79025, 113905, 151525, 173855, 300295, 569525, 660649, 869275, 1501475, 3303245, 16516225]

約数ペア:

[(1, 16516225), (5, 3303245), (11, 1501475), (19, 869275), (25, 660649), (29, 569525), (55, 300295), (95, 173855), (109, 151525), (145, 113905), (209, 79025), (275, 60059), (319, 51775), (475, 34771), (545, 30305), (551, 29975), (725, 22781), (1045, 15805), (1199, 13775), (1595, 10355), (2071, 7975), (2725, 6061), (2755, 5995), (3161, 5225)]