1640668898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{837931}}^1$

素因数の和:838033

約数の個数: 16

約数和(自身を含む): 2714899680

約数和(自身を除く): 1074230782

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 837931, 1675862, 9217241, 18434482, 74575859, 149151718, 820334449, 1640668898]

約数ペア:

[(1, 1640668898), (2, 820334449), (11, 149151718), (22, 74575859), (89, 18434482), (178, 9217241), (979, 1675862), (1958, 837931)]