87430928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{420341}}^1$

素因数の和:420362

約数の個数: 20

約数和(自身を含む): 182428428

約数和(自身を除く): 94997500

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 420341, 840682, 1681364, 3362728, 5464433, 6725456, 10928866, 21857732, 43715464, 87430928]

約数ペア:

[(1, 87430928), (2, 43715464), (4, 21857732), (8, 10928866), (13, 6725456), (16, 5464433), (26, 3362728), (52, 1681364), (104, 840682), (208, 420341)]