12771845

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 17335296

約数和(自身を除く): 4563451

約数列:

[1, 5, 17, 31, 37, 85, 131, 155, 185, 527, 629, 655, 1147, 2227, 2635, 3145, 4061, 4847, 5735, 11135, 19499, 20305, 24235, 69037, 82399, 97495, 150257, 345185, 411995, 751285, 2554369, 12771845]

約数ペア:

[(1, 12771845), (5, 2554369), (17, 751285), (31, 411995), (37, 345185), (85, 150257), (131, 97495), (155, 82399), (185, 69037), (527, 24235), (629, 20305), (655, 19499), (1147, 11135), (2227, 5735), (2635, 4847), (3145, 4061)]