71608328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 151528320

約数和(自身を除く): 79919992

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 73, 88, 142, 146, 157, 284, 292, 314, 568, 584, 628, 781, 803, 1256, 1562, 1606, 1727, 3124, 3212, 3454, 5183, 6248, 6424, 6908, 10366, 11147, 11461, 13816, 20732, 22294, 22922, 41464, 44588, 45844, 57013, 89176, 91688, 114026, 122617, 126071, 228052, 245234, 252142, 456104, 490468, 504284, 813731, 980936, 1008568, 1627462, 3254924, 6509848, 8951041, 17902082, 35804164, 71608328]

約数ペア:

[(1, 71608328), (2, 35804164), (4, 17902082), (8, 8951041), (11, 6509848), (22, 3254924), (44, 1627462), (71, 1008568), (73, 980936), (88, 813731), (142, 504284), (146, 490468), (157, 456104), (284, 252142), (292, 245234), (314, 228052), (568, 126071), (584, 122617), (628, 114026), (781, 91688), (803, 89176), (1256, 57013), (1562, 45844), (1606, 44588), (1727, 41464), (3124, 22922), (3212, 22294), (3454, 20732), (5183, 13816), (6248, 11461), (6424, 11147), (6908, 10366)]