1298291290

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{160481}}^1$

素因数の和:161297

約数の個数: 16

約数和(自身を含む): 2339827560

約数和(自身を除く): 1041536270

約数列:

[1, 2, 5, 10, 809, 1618, 4045, 8090, 160481, 320962, 802405, 1604810, 129829129, 259658258, 649145645, 1298291290]

約数ペア:

[(1, 1298291290), (2, 649145645), (5, 259658258), (10, 129829129), (809, 1604810), (1618, 802405), (4045, 320962), (8090, 160481)]