12167975

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 15683520

約数和(自身を除く): 3515545

約数列:

[1, 5, 25, 61, 79, 101, 305, 395, 505, 1525, 1975, 2525, 4819, 6161, 7979, 24095, 30805, 39895, 120475, 154025, 199475, 486719, 2433595, 12167975]

約数ペア:

[(1, 12167975), (5, 2433595), (25, 486719), (61, 199475), (79, 154025), (101, 120475), (305, 39895), (395, 30805), (505, 24095), (1525, 7979), (1975, 6161), (2525, 4819)]