64257465

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{617}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 105722496

約数和(自身を除く): 41465031

約数列:

[1, 3, 5, 15, 53, 131, 159, 265, 393, 617, 655, 795, 1851, 1965, 3085, 6943, 9255, 20829, 32701, 34715, 80827, 98103, 104145, 163505, 242481, 404135, 490515, 1212405, 4283831, 12851493, 21419155, 64257465]

約数ペア:

[(1, 64257465), (3, 21419155), (5, 12851493), (15, 4283831), (53, 1212405), (131, 490515), (159, 404135), (265, 242481), (393, 163505), (617, 104145), (655, 98103), (795, 80827), (1851, 34715), (1965, 32701), (3085, 20829), (6943, 9255)]