142160515

素因数分解:

$5^1\times 7^2\times {\mathrm{401}}^1\times {\mathrm{1447}}^1$

素因数の和:1867

約数の個数: 24

約数和(自身を含む): 199076832

約数和(自身を除く): 56916317

約数列:

[1, 5, 7, 35, 49, 245, 401, 1447, 2005, 2807, 7235, 10129, 14035, 19649, 50645, 70903, 98245, 354515, 580247, 2901235, 4061729, 20308645, 28432103, 142160515]

約数ペア:

[(1, 142160515), (5, 28432103), (7, 20308645), (35, 4061729), (49, 2901235), (245, 580247), (401, 354515), (1447, 98245), (2005, 70903), (2807, 50645), (7235, 19649), (10129, 14035)]