1980555409

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1\times {\mathrm{11621}}^1$

素因数の和:11976

約数の個数: 16

約数和(自身を含む): 2296135296

約数和(自身を除く): 315579887

約数列:

[1, 7, 97, 251, 679, 1757, 11621, 24347, 81347, 170429, 1127237, 2916871, 7890659, 20418097, 282936487, 1980555409]

約数ペア:

[(1, 1980555409), (7, 282936487), (97, 20418097), (251, 7890659), (679, 2916871), (1757, 1127237), (11621, 170429), (24347, 81347)]