91808990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{433}}^1$

素因数の和:693

約数の個数: 64

約数和(自身を含む): 204736896

約数和(自身を除く): 112927906

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 233, 433, 455, 466, 866, 910, 1165, 1631, 2165, 2330, 3029, 3031, 3262, 4330, 5629, 6058, 6062, 8155, 11258, 15145, 15155, 16310, 21203, 28145, 30290, 30310, 39403, 42406, 56290, 78806, 100889, 106015, 197015, 201778, 212030, 394030, 504445, 706223, 1008890, 1311557, 1412446, 2623114, 3531115, 6557785, 7062230, 9180899, 13115570, 18361798, 45904495, 91808990]

約数ペア:

[(1, 91808990), (2, 45904495), (5, 18361798), (7, 13115570), (10, 9180899), (13, 7062230), (14, 6557785), (26, 3531115), (35, 2623114), (65, 1412446), (70, 1311557), (91, 1008890), (130, 706223), (182, 504445), (233, 394030), (433, 212030), (455, 201778), (466, 197015), (866, 106015), (910, 100889), (1165, 78806), (1631, 56290), (2165, 42406), (2330, 39403), (3029, 30310), (3031, 30290), (3262, 28145), (4330, 21203), (5629, 16310), (6058, 15155), (6062, 15145), (8155, 11258)]