2021894408

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{649709}}^1$

素因数の和:650104

約数の個数: 16

約数和(自身を含む): 3800803500

約数和(自身を除く): 1778909092

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 649709, 1299418, 2598836, 5197672, 252736801, 505473602, 1010947204, 2021894408]

約数ペア:

[(1, 2021894408), (2, 1010947204), (4, 505473602), (8, 252736801), (389, 5197672), (778, 2598836), (1556, 1299418), (3112, 649709)]