12842005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12289}}^1$

素因数の和:12324

約数の個数: 16

約数和(自身を含む): 17697600

約数和(自身を除く): 4855595

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 12289, 61445, 135179, 233491, 675895, 1167455, 2568401, 12842005]

約数ペア:

[(1, 12842005), (5, 2568401), (11, 1167455), (19, 675895), (55, 233491), (95, 135179), (209, 61445), (1045, 12289)]