8138858

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 15168384

約数和(自身を除く): 7029526

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 197, 227, 394, 454, 1379, 1589, 2561, 2758, 2951, 3178, 5122, 5902, 17927, 20657, 35854, 41314, 44719, 89438, 313033, 581347, 626066, 1162694, 4069429, 8138858]

約数ペア:

[(1, 8138858), (2, 4069429), (7, 1162694), (13, 626066), (14, 581347), (26, 313033), (91, 89438), (182, 44719), (197, 41314), (227, 35854), (394, 20657), (454, 17927), (1379, 5902), (1589, 5122), (2561, 3178), (2758, 2951)]