28481869

素因数分解:

${\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:444

約数の個数: 16

約数和(自身を含む): 31449600

約数和(自身を除く): 2967731

約数列:

[1, 13, 89, 103, 239, 1157, 1339, 3107, 9167, 21271, 24617, 119171, 276523, 320021, 2190913, 28481869]

約数ペア:

[(1, 28481869), (13, 2190913), (89, 320021), (103, 276523), (239, 119171), (1157, 24617), (1339, 21271), (3107, 9167)]