82270825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 133060928

約数和(自身を除く): 50790103

約数列:

[1, 5, 7, 13, 25, 29, 35, 43, 65, 91, 145, 175, 203, 215, 301, 325, 377, 455, 559, 725, 841, 1015, 1075, 1247, 1505, 1885, 2275, 2639, 2795, 3913, 4205, 5075, 5887, 6235, 7525, 8729, 9425, 10933, 13195, 13975, 16211, 19565, 21025, 29435, 31175, 36163, 43645, 54665, 65975, 76531, 81055, 97825, 113477, 147175, 180815, 218225, 253141, 273325, 382655, 405275, 470119, 567385, 904075, 1265705, 1913275, 2350595, 2836925, 3290833, 6328525, 11752975, 16454165, 82270825]

約数ペア:

[(1, 82270825), (5, 16454165), (7, 11752975), (13, 6328525), (25, 3290833), (29, 2836925), (35, 2350595), (43, 1913275), (65, 1265705), (91, 904075), (145, 567385), (175, 470119), (203, 405275), (215, 382655), (301, 273325), (325, 253141), (377, 218225), (455, 180815), (559, 147175), (725, 113477), (841, 97825), (1015, 81055), (1075, 76531), (1247, 65975), (1505, 54665), (1885, 43645), (2275, 36163), (2639, 31175), (2795, 29435), (3913, 21025), (4205, 19565), (5075, 16211), (5887, 13975), (6235, 13195), (7525, 10933), (8729, 9425)]