1321520889206

素因数分解:

$2^1\times 7^1\times {\mathrm{56401}}^1\times {\mathrm{1673629}}^1$

素因数の和:1730039

約数の個数: 16

約数和(自身を含む): 2265505902240

約数和(自身を除く): 943985013034

約数列:

[1, 2, 7, 14, 56401, 112802, 394807, 789614, 1673629, 3347258, 11715403, 23430806, 94394349229, 188788698458, 660760444603, 1321520889206]

約数ペア:

[(1, 1321520889206), (2, 660760444603), (7, 188788698458), (14, 94394349229), (56401, 23430806), (112802, 11715403), (394807, 3347258), (789614, 1673629)]