12152305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 17366400

約数和(自身を除く): 5214095

約数列:

[1, 5, 11, 19, 29, 55, 95, 145, 209, 319, 401, 551, 1045, 1595, 2005, 2755, 4411, 6061, 7619, 11629, 22055, 30305, 38095, 58145, 83809, 127919, 220951, 419045, 639595, 1104755, 2430461, 12152305]

約数ペア:

[(1, 12152305), (5, 2430461), (11, 1104755), (19, 639595), (29, 419045), (55, 220951), (95, 127919), (145, 83809), (209, 58145), (319, 38095), (401, 30305), (551, 22055), (1045, 11629), (1595, 7619), (2005, 6061), (2755, 4411)]