861321214

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{219389}}^1$

素因数の和:219555

約数の個数: 16

約数和(自身を含む): 1400585760

約数和(自身を除く): 539264546

約数列:

[1, 2, 13, 26, 151, 302, 1963, 3926, 219389, 438778, 2852057, 5704114, 33127739, 66255478, 430660607, 861321214]

約数ペア:

[(1, 861321214), (2, 430660607), (13, 66255478), (26, 33127739), (151, 5704114), (302, 2852057), (1963, 438778), (3926, 219389)]