28520778

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2557}}^1$

素因数の和:2599

約数の個数: 48

約数和(自身を含む): 67408416

約数和(自身を除く): 38887638

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 169, 286, 338, 429, 507, 858, 1014, 1859, 2557, 3718, 5114, 5577, 7671, 11154, 15342, 28127, 33241, 56254, 66482, 84381, 99723, 168762, 199446, 365651, 432133, 731302, 864266, 1096953, 1296399, 2193906, 2592798, 4753463, 9506926, 14260389, 28520778]

約数ペア:

[(1, 28520778), (2, 14260389), (3, 9506926), (6, 4753463), (11, 2592798), (13, 2193906), (22, 1296399), (26, 1096953), (33, 864266), (39, 731302), (66, 432133), (78, 365651), (143, 199446), (169, 168762), (286, 99723), (338, 84381), (429, 66482), (507, 56254), (858, 33241), (1014, 28127), (1859, 15342), (2557, 11154), (3718, 7671), (5114, 5577)]