257551706

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1\times {\mathrm{2311}}^1$

素因数の和:2957

約数の個数: 16

約数和(自身を含む): 390968448

約数和(自身を除く): 133416742

約数列:

[1, 2, 103, 206, 541, 1082, 2311, 4622, 55723, 111446, 238033, 476066, 1250251, 2500502, 128775853, 257551706]

約数ペア:

[(1, 257551706), (2, 128775853), (103, 2500502), (206, 1250251), (541, 476066), (1082, 238033), (2311, 111446), (4622, 55723)]