28912499

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 32

約数和(自身を含む): 37632000

約数和(自身を除く): 8719501

約数列:

[1, 7, 11, 49, 77, 79, 97, 343, 539, 553, 679, 869, 1067, 3773, 3871, 4753, 6083, 7469, 7663, 27097, 33271, 42581, 52283, 53641, 84293, 298067, 365981, 375487, 590051, 2628409, 4130357, 28912499]

約数ペア:

[(1, 28912499), (7, 4130357), (11, 2628409), (49, 590051), (77, 375487), (79, 365981), (97, 298067), (343, 84293), (539, 53641), (553, 52283), (679, 42581), (869, 33271), (1067, 27097), (3773, 7663), (3871, 7469), (4753, 6083)]