64840790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12689}}^1$

素因数の和:12776

約数の個数: 32

約数和(自身を含む): 135224640

約数和(自身を除く): 70383850

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 5110, 12689, 25378, 63445, 88823, 126890, 177646, 444115, 888230, 926297, 1852594, 4631485, 6484079, 9262970, 12968158, 32420395, 64840790]

約数ペア:

[(1, 64840790), (2, 32420395), (5, 12968158), (7, 9262970), (10, 6484079), (14, 4631485), (35, 1852594), (70, 926297), (73, 888230), (146, 444115), (365, 177646), (511, 126890), (730, 88823), (1022, 63445), (2555, 25378), (5110, 12689)]