28165319

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7549}}^1$

素因数の和:7610

約数の個数: 16

約数和(自身を含む): 35515200

約数和(自身を除く): 7349881

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 7549, 52843, 98137, 309509, 686959, 2166563, 4023617, 28165319]

約数ペア:

[(1, 28165319), (7, 4023617), (13, 2166563), (41, 686959), (91, 309509), (287, 98137), (533, 52843), (3731, 7549)]