289673566

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{20147}}^1$

素因数の和:20248

約数の個数: 32

約数和(自身を含む): 541578240

約数和(自身を除く): 251904674

約数列:

[1, 2, 7, 13, 14, 26, 79, 91, 158, 182, 553, 1027, 1106, 2054, 7189, 14378, 20147, 40294, 141029, 261911, 282058, 523822, 1591613, 1833377, 3183226, 3666754, 11141291, 20690969, 22282582, 41381938, 144836783, 289673566]

約数ペア:

[(1, 289673566), (2, 144836783), (7, 41381938), (13, 22282582), (14, 20690969), (26, 11141291), (79, 3666754), (91, 3183226), (158, 1833377), (182, 1591613), (553, 523822), (1027, 282058), (1106, 261911), (2054, 141029), (7189, 40294), (14378, 20147)]