664248910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{20357}}^1$

素因数の和:20628

約数の個数: 32

約数和(自身を含む): 1292814432

約数和(自身を除く): 628565522

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 251, 502, 1255, 2510, 3263, 6526, 16315, 20357, 32630, 40714, 101785, 203570, 264641, 529282, 1323205, 2646410, 5109607, 10219214, 25548035, 51096070, 66424891, 132849782, 332124455, 664248910]

約数ペア:

[(1, 664248910), (2, 332124455), (5, 132849782), (10, 66424891), (13, 51096070), (26, 25548035), (65, 10219214), (130, 5109607), (251, 2646410), (502, 1323205), (1255, 529282), (2510, 264641), (3263, 203570), (6526, 101785), (16315, 40714), (20357, 32630)]