28920515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{733}}^1$

素因数の和:1358

約数の個数: 16

約数和(自身を含む): 37486848

約数和(自身を除く): 8566333

約数列:

[1, 5, 13, 65, 607, 733, 3035, 3665, 7891, 9529, 39455, 47645, 444931, 2224655, 5784103, 28920515]

約数ペア:

[(1, 28920515), (5, 5784103), (13, 2224655), (65, 444931), (607, 47645), (733, 39455), (3035, 9529), (3665, 7891)]