2091261488

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{28297}}^1$

素因数の和:28485

約数の個数: 40

約数和(自身を含む): 4210742400

約数和(自身を除く): 2119480912

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 149, 248, 298, 496, 596, 1192, 2384, 4619, 9238, 18476, 28297, 36952, 56594, 73904, 113188, 226376, 452752, 877207, 1754414, 3508828, 4216253, 7017656, 8432506, 14035312, 16865012, 33730024, 67460048, 130703843, 261407686, 522815372, 1045630744, 2091261488]

約数ペア:

[(1, 2091261488), (2, 1045630744), (4, 522815372), (8, 261407686), (16, 130703843), (31, 67460048), (62, 33730024), (124, 16865012), (149, 14035312), (248, 8432506), (298, 7017656), (496, 4216253), (596, 3508828), (1192, 1754414), (2384, 877207), (4619, 452752), (9238, 226376), (18476, 113188), (28297, 73904), (36952, 56594)]