28945678

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1\times {\mathrm{619}}^1$

素因数の和:951

約数の個数: 16

約数和(自身を含む): 44104320

約数和(自身を除く): 15158642

約数列:

[1, 2, 103, 206, 227, 454, 619, 1238, 23381, 46762, 63757, 127514, 140513, 281026, 14472839, 28945678]

約数ペア:

[(1, 28945678), (2, 14472839), (103, 281026), (206, 140513), (227, 127514), (454, 63757), (619, 46762), (1238, 23381)]