388611925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1901}}^1$

素因数の和:1978

約数の個数: 48

約数和(自身を含む): 564620112

約数和(自身を除く): 176008187

約数列:

[1, 5, 13, 17, 25, 37, 65, 85, 185, 221, 325, 425, 481, 629, 925, 1105, 1901, 2405, 3145, 5525, 8177, 9505, 12025, 15725, 24713, 32317, 40885, 47525, 70337, 123565, 161585, 204425, 351685, 420121, 617825, 807925, 914381, 1195729, 1758425, 2100605, 4571905, 5978645, 10503025, 15544477, 22859525, 29893225, 77722385, 388611925]

約数ペア:

[(1, 388611925), (5, 77722385), (13, 29893225), (17, 22859525), (25, 15544477), (37, 10503025), (65, 5978645), (85, 4571905), (185, 2100605), (221, 1758425), (325, 1195729), (425, 914381), (481, 807925), (629, 617825), (925, 420121), (1105, 351685), (1901, 204425), (2405, 161585), (3145, 123565), (5525, 70337), (8177, 47525), (9505, 40885), (12025, 32317), (15725, 24713)]