991293121

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{5653}}^1$

素因数の和:5761

約数の個数: 32

約数和(自身を含む): 1276627968

約数和(自身を除く): 285334847

約数列:

[1, 7, 13, 41, 47, 91, 287, 329, 533, 611, 1927, 3731, 4277, 5653, 13489, 25051, 39571, 73489, 175357, 231773, 265691, 514423, 1622411, 1859837, 3013049, 3453983, 10893331, 21091343, 24177881, 76253317, 141613303, 991293121]

約数ペア:

[(1, 991293121), (7, 141613303), (13, 76253317), (41, 24177881), (47, 21091343), (91, 10893331), (287, 3453983), (329, 3013049), (533, 1859837), (611, 1622411), (1927, 514423), (3731, 265691), (4277, 231773), (5653, 175357), (13489, 73489), (25051, 39571)]