247978718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{134333}}^1$

素因数の和:134419

約数の個数: 16

約数和(自身を含む): 406226016

約数和(自身を除く): 158247298

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 134333, 268666, 1746329, 3492658, 9537643, 19075286, 123989359, 247978718]

約数ペア:

[(1, 247978718), (2, 123989359), (13, 19075286), (26, 9537643), (71, 3492658), (142, 1746329), (923, 268666), (1846, 134333)]