83605990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:905

約数の個数: 48

約数和(自身を含む): 165833136

約数和(自身を除く): 82227146

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 169, 305, 338, 610, 793, 811, 845, 1586, 1622, 1690, 3965, 4055, 7930, 8110, 10309, 10543, 20618, 21086, 49471, 51545, 52715, 98942, 103090, 105430, 137059, 247355, 274118, 494710, 643123, 685295, 1286246, 1370590, 3215615, 6431230, 8360599, 16721198, 41802995, 83605990]

約数ペア:

[(1, 83605990), (2, 41802995), (5, 16721198), (10, 8360599), (13, 6431230), (26, 3215615), (61, 1370590), (65, 1286246), (122, 685295), (130, 643123), (169, 494710), (305, 274118), (338, 247355), (610, 137059), (793, 105430), (811, 103090), (845, 98942), (1586, 52715), (1622, 51545), (1690, 49471), (3965, 21086), (4055, 20618), (7930, 10543), (8110, 10309)]