289721869

素因数分解:

${\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1\times {\mathrm{821}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 308545920

約数和(自身を除く): 18824051

約数列:

[1, 23, 67, 229, 821, 1541, 5267, 15343, 18883, 55007, 188009, 352889, 1265161, 4324207, 12596603, 289721869]

約数ペア:

[(1, 289721869), (23, 12596603), (67, 4324207), (229, 1265161), (821, 352889), (1541, 188009), (5267, 55007), (15343, 18883)]