87651290

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{110951}}^1$

素因数の和:111037

約数の個数: 16

約数和(自身を含む): 159770880

約数和(自身を除く): 72119590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 110951, 221902, 554755, 1109510, 8765129, 17530258, 43825645, 87651290]

約数ペア:

[(1, 87651290), (2, 43825645), (5, 17530258), (10, 8765129), (79, 1109510), (158, 554755), (395, 221902), (790, 110951)]