211677875

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 273926016

約数和(自身を除く): 62248141

約数列:

[1, 5, 25, 41, 103, 125, 205, 401, 515, 1025, 2005, 2575, 4223, 5125, 10025, 12875, 16441, 21115, 41303, 50125, 82205, 105575, 206515, 411025, 527875, 1032575, 1693423, 2055125, 5162875, 8467115, 42335575, 211677875]

約数ペア:

[(1, 211677875), (5, 42335575), (25, 8467115), (41, 5162875), (103, 2055125), (125, 1693423), (205, 1032575), (401, 527875), (515, 411025), (1025, 206515), (2005, 105575), (2575, 82205), (4223, 50125), (5125, 41303), (10025, 21115), (12875, 16441)]