11921245

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 17418240

約数和(自身を除く): 5496995

約数列:

[1, 5, 7, 23, 35, 59, 115, 161, 251, 295, 413, 805, 1255, 1357, 1757, 2065, 5773, 6785, 8785, 9499, 14809, 28865, 40411, 47495, 74045, 103663, 202055, 340607, 518315, 1703035, 2384249, 11921245]

約数ペア:

[(1, 11921245), (5, 2384249), (7, 1703035), (23, 518315), (35, 340607), (59, 202055), (115, 103663), (161, 74045), (251, 47495), (295, 40411), (413, 28865), (805, 14809), (1255, 9499), (1357, 8785), (1757, 6785), (2065, 5773)]