66890810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{2383}}^1$

素因数の和:2798

約数の個数: 32

約数和(自身を含む): 138004992

約数和(自身を除く): 71114182

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401, 802, 2005, 2383, 2807, 4010, 4766, 5614, 11915, 14035, 16681, 23830, 28070, 33362, 83405, 166810, 955583, 1911166, 4777915, 6689081, 9555830, 13378162, 33445405, 66890810]

約数ペア:

[(1, 66890810), (2, 33445405), (5, 13378162), (7, 9555830), (10, 6689081), (14, 4777915), (35, 1911166), (70, 955583), (401, 166810), (802, 83405), (2005, 33362), (2383, 28070), (2807, 23830), (4010, 16681), (4766, 14035), (5614, 11915)]