90979889

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{937}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 123545856

約数和(自身を除く): 32565967

約数列:

[1, 7, 11, 13, 77, 91, 97, 143, 679, 937, 1001, 1067, 1261, 6559, 7469, 8827, 10307, 12181, 13871, 72149, 85267, 90889, 97097, 133991, 636223, 937937, 999779, 1181557, 6998453, 8270899, 12997127, 90979889]

約数ペア:

[(1, 90979889), (7, 12997127), (11, 8270899), (13, 6998453), (77, 1181557), (91, 999779), (97, 937937), (143, 636223), (679, 133991), (937, 97097), (1001, 90889), (1067, 85267), (1261, 72149), (6559, 13871), (7469, 12181), (8827, 10307)]