77400986

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 132814080

約数和(自身を除く): 55413094

約数列:

[1, 2, 13, 26, 31, 62, 83, 89, 166, 169, 178, 338, 403, 806, 1079, 1157, 2158, 2314, 2573, 2759, 5146, 5239, 5518, 7387, 10478, 14027, 14774, 15041, 28054, 30082, 33449, 35867, 66898, 71734, 96031, 192062, 228997, 434837, 457994, 466271, 869674, 932542, 1248403, 2496806, 2976961, 5953922, 38700493, 77400986]

約数ペア:

[(1, 77400986), (2, 38700493), (13, 5953922), (26, 2976961), (31, 2496806), (62, 1248403), (83, 932542), (89, 869674), (166, 466271), (169, 457994), (178, 434837), (338, 228997), (403, 192062), (806, 96031), (1079, 71734), (1157, 66898), (2158, 35867), (2314, 33449), (2573, 30082), (2759, 28054), (5146, 15041), (5239, 14774), (5518, 14027), (7387, 10478)]