81149585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 113270400

約数和(自身を除く): 32120815

約数列:

[1, 5, 11, 17, 55, 85, 187, 229, 379, 935, 1145, 1895, 2519, 3893, 4169, 6443, 12595, 19465, 20845, 32215, 42823, 70873, 86791, 214115, 354365, 433955, 954701, 1475447, 4773505, 7377235, 16229917, 81149585]

約数ペア:

[(1, 81149585), (5, 16229917), (11, 7377235), (17, 4773505), (55, 1475447), (85, 954701), (187, 433955), (229, 354365), (379, 214115), (935, 86791), (1145, 70873), (1895, 42823), (2519, 32215), (3893, 20845), (4169, 19465), (6443, 12595)]