1277992261

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{887}}^1$

素因数の和:1201

約数の個数: 32

約数和(自身を含む): 1604026368

約数和(自身を除く): 326034107

約数列:

[1, 7, 13, 71, 91, 223, 497, 887, 923, 1561, 2899, 6209, 6461, 11531, 15833, 20293, 62977, 80717, 110831, 197801, 205829, 440839, 818701, 1384607, 1440803, 2571413, 5730907, 14043871, 17999891, 98307097, 182570323, 1277992261]

約数ペア:

[(1, 1277992261), (7, 182570323), (13, 98307097), (71, 17999891), (91, 14043871), (223, 5730907), (497, 2571413), (887, 1440803), (923, 1384607), (1561, 818701), (2899, 440839), (6209, 205829), (6461, 197801), (11531, 110831), (15833, 80717), (20293, 62977)]