28944175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 41559840

約数和(自身を除く): 12615665

約数列:

[1, 5, 13, 25, 29, 37, 65, 83, 145, 185, 325, 377, 415, 481, 725, 925, 1073, 1079, 1885, 2075, 2405, 2407, 3071, 5365, 5395, 9425, 12025, 12035, 13949, 15355, 26825, 26975, 31291, 39923, 60175, 69745, 76775, 89059, 156455, 199615, 348725, 445295, 782275, 998075, 1157767, 2226475, 5788835, 28944175]

約数ペア:

[(1, 28944175), (5, 5788835), (13, 2226475), (25, 1157767), (29, 998075), (37, 782275), (65, 445295), (83, 348725), (145, 199615), (185, 156455), (325, 89059), (377, 76775), (415, 69745), (481, 60175), (725, 39923), (925, 31291), (1073, 26975), (1079, 26825), (1885, 15355), (2075, 13949), (2405, 12035), (2407, 12025), (3071, 9425), (5365, 5395)]