16904875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:232

約数の個数: 32

約数和(自身を含む): 23167872

約数和(自身を除く): 6262997

約数列:

[1, 5, 13, 25, 65, 101, 103, 125, 325, 505, 515, 1313, 1339, 1625, 2525, 2575, 6565, 6695, 10403, 12625, 12875, 32825, 33475, 52015, 135239, 164125, 167375, 260075, 676195, 1300375, 3380975, 16904875]

約数ペア:

[(1, 16904875), (5, 3380975), (13, 1300375), (25, 676195), (65, 260075), (101, 167375), (103, 164125), (125, 135239), (325, 52015), (505, 33475), (515, 32825), (1313, 12875), (1339, 12625), (1625, 10403), (2525, 6695), (2575, 6565)]