143896220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{553447}}^1$

素因数の和:553469

約数の個数: 24

約数和(自身を含む): 325427424

約数和(自身を除く): 181531204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 553447, 1106894, 2213788, 2767235, 5534470, 7194811, 11068940, 14389622, 28779244, 35974055, 71948110, 143896220]

約数ペア:

[(1, 143896220), (2, 71948110), (4, 35974055), (5, 28779244), (10, 14389622), (13, 11068940), (20, 7194811), (26, 5534470), (52, 2767235), (65, 2213788), (130, 1106894), (260, 553447)]