218188412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{10259}}^1$

素因数の和:10685

約数の個数: 24

約数和(自身を含む): 412246800

約数和(自身を除く): 194058388

約数列:

[1, 2, 4, 13, 26, 52, 409, 818, 1636, 5317, 10259, 10634, 20518, 21268, 41036, 133367, 266734, 533468, 4195931, 8391862, 16783724, 54547103, 109094206, 218188412]

約数ペア:

[(1, 218188412), (2, 109094206), (4, 54547103), (13, 16783724), (26, 8391862), (52, 4195931), (409, 533468), (818, 266734), (1636, 133367), (5317, 41036), (10259, 21268), (10634, 20518)]