12217205

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2441}}^1$

素因数の和:2477

約数の個数: 32

約数和(自身を含む): 19692288

約数和(自身を除く): 7475083

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 2441, 5005, 12205, 17087, 26851, 31733, 85435, 134255, 158665, 187957, 222131, 349063, 939785, 1110655, 1745315, 2443441, 12217205]

約数ペア:

[(1, 12217205), (5, 2443441), (7, 1745315), (11, 1110655), (13, 939785), (35, 349063), (55, 222131), (65, 187957), (77, 158665), (91, 134255), (143, 85435), (385, 31733), (455, 26851), (715, 17087), (1001, 12205), (2441, 5005)]