81663270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209393}}^1$

素因数の和:209416

約数の個数: 32

約数和(自身を含む): 211069152

約数和(自身を除く): 129405882

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 209393, 418786, 628179, 1046965, 1256358, 2093930, 2722109, 3140895, 5444218, 6281790, 8166327, 13610545, 16332654, 27221090, 40831635, 81663270]

約数ペア:

[(1, 81663270), (2, 40831635), (3, 27221090), (5, 16332654), (6, 13610545), (10, 8166327), (13, 6281790), (15, 5444218), (26, 3140895), (30, 2722109), (39, 2093930), (65, 1256358), (78, 1046965), (130, 628179), (195, 418786), (390, 209393)]