315087508816

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{30722261}}^1$

素因数の和:30722910

約数の個数: 20

約数和(自身を含む): 611434458324

約数和(自身を除く): 296346949508

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 30722261, 61444522, 122889044, 245778088, 491556176, 19692969301, 39385938602, 78771877204, 157543754408, 315087508816]

約数ペア:

[(1, 315087508816), (2, 157543754408), (4, 78771877204), (8, 39385938602), (16, 19692969301), (641, 491556176), (1282, 245778088), (2564, 122889044), (5128, 61444522), (10256, 30722261)]