71380276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 140531328

約数和(自身を除く): 69151052

約数列:

[1, 2, 4, 11, 22, 44, 71, 73, 142, 146, 284, 292, 313, 626, 781, 803, 1252, 1562, 1606, 3124, 3212, 3443, 5183, 6886, 10366, 13772, 20732, 22223, 22849, 44446, 45698, 57013, 88892, 91396, 114026, 228052, 244453, 251339, 488906, 502678, 977812, 1005356, 1622279, 3244558, 6489116, 17845069, 35690138, 71380276]

約数ペア:

[(1, 71380276), (2, 35690138), (4, 17845069), (11, 6489116), (22, 3244558), (44, 1622279), (71, 1005356), (73, 977812), (142, 502678), (146, 488906), (284, 251339), (292, 244453), (313, 228052), (626, 114026), (781, 91396), (803, 88892), (1252, 57013), (1562, 45698), (1606, 44446), (3124, 22849), (3212, 22223), (3443, 20732), (5183, 13772), (6886, 10366)]