81815864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{786691}}^1$

素因数の和:786710

約数の個数: 16

約数和(自身を含む): 165205320

約数和(自身を除く): 83389456

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 786691, 1573382, 3146764, 6293528, 10226983, 20453966, 40907932, 81815864]

約数ペア:

[(1, 81815864), (2, 40907932), (4, 20453966), (8, 10226983), (13, 6293528), (26, 3146764), (52, 1573382), (104, 786691)]