15991936225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{678343}}^1$

素因数の和:678417

約数の個数: 24

約数和(自身を含む): 21196893312

約数和(自身を除く): 5204957087

約数列:

[1, 5, 23, 25, 41, 115, 205, 575, 943, 1025, 4715, 23575, 678343, 3391715, 15601889, 16958575, 27812063, 78009445, 139060315, 390047225, 639677449, 695301575, 3198387245, 15991936225]

約数ペア:

[(1, 15991936225), (5, 3198387245), (23, 695301575), (25, 639677449), (41, 390047225), (115, 139060315), (205, 78009445), (575, 27812063), (943, 16958575), (1025, 15601889), (4715, 3391715), (23575, 678343)]