261330408008

素因数分解:

$2^3\times {\mathrm{10391}}^1\times {\mathrm{3143711}}^1$

素因数の和:3154108

約数の個数: 16

約数和(自身を含む): 490041826560

約数和(自身を除く): 228711418552

約数列:

[1, 2, 4, 8, 10391, 20782, 41564, 83128, 3143711, 6287422, 12574844, 25149688, 32666301001, 65332602002, 130665204004, 261330408008]

約数ペア:

[(1, 261330408008), (2, 130665204004), (4, 65332602002), (8, 32666301001), (10391, 25149688), (20782, 12574844), (41564, 6287422), (83128, 3143711)]