28331009

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1181}}^1$

素因数の和:1360

約数の個数: 16

約数和(自身を含む): 34041600

約数和(自身を除く): 5710591

約数列:

[1, 7, 23, 149, 161, 1043, 1181, 3427, 8267, 23989, 27163, 175969, 190141, 1231783, 4047287, 28331009]

約数ペア:

[(1, 28331009), (7, 4047287), (23, 1231783), (149, 190141), (161, 175969), (1043, 27163), (1181, 23989), (3427, 8267)]