641746

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2025

約数の個数: 16

約数和(自身を含む): 1148544

約数和(自身を除く): 506798

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 1993, 3986, 13951, 27902, 45839, 91678, 320873, 641746]

約数ペア:

[(1, 641746), (2, 320873), (7, 91678), (14, 45839), (23, 27902), (46, 13951), (161, 3986), (322, 1993)]