4990456945

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{400679}}^1$

素因数の和:400784

約数の個数: 16

約数和(自身を含む): 6231375360

約数和(自身を除く): 1240918415

約数列:

[1, 5, 47, 53, 235, 265, 2491, 12455, 400679, 2003395, 18831913, 21235987, 94159565, 106179935, 998091389, 4990456945]

約数ペア:

[(1, 4990456945), (5, 998091389), (47, 106179935), (53, 94159565), (235, 21235987), (265, 18831913), (2491, 2003395), (12455, 400679)]