28471235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{677}}^1$

素因数の和:1342

約数の個数: 16

約数和(自身を含む): 36904896

約数和(自身を除く): 8433661

約数列:

[1, 5, 13, 65, 647, 677, 3235, 3385, 8411, 8801, 42055, 44005, 438019, 2190095, 5694247, 28471235]

約数ペア:

[(1, 28471235), (5, 5694247), (13, 2190095), (65, 438019), (647, 44005), (677, 42055), (3235, 8801), (3385, 8411)]