639669672

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{125131}}^1$

素因数の和:125214

約数の個数: 48

約数和(自身を含む): 1756853280

約数和(自身を除く): 1117183608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 5112, 125131, 250262, 375393, 500524, 750786, 1001048, 1126179, 1501572, 2252358, 3003144, 4504716, 8884301, 9009432, 17768602, 26652903, 35537204, 53305806, 71074408, 79958709, 106611612, 159917418, 213223224, 319834836, 639669672]

約数ペア:

[(1, 639669672), (2, 319834836), (3, 213223224), (4, 159917418), (6, 106611612), (8, 79958709), (9, 71074408), (12, 53305806), (18, 35537204), (24, 26652903), (36, 17768602), (71, 9009432), (72, 8884301), (142, 4504716), (213, 3003144), (284, 2252358), (426, 1501572), (568, 1126179), (639, 1001048), (852, 750786), (1278, 500524), (1704, 375393), (2556, 250262), (5112, 125131)]