28697396

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78839}}^1$

素因数の和:78863

約数の個数: 24

約数和(自身を含む): 61810560

約数和(自身を除く): 33113164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 78839, 157678, 315356, 551873, 1024907, 1103746, 2049814, 2207492, 4099628, 7174349, 14348698, 28697396]

約数ペア:

[(1, 28697396), (2, 14348698), (4, 7174349), (7, 4099628), (13, 2207492), (14, 2049814), (26, 1103746), (28, 1024907), (52, 551873), (91, 315356), (182, 157678), (364, 78839)]