278809792

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2351}}^1$

素因数の和:2489

約数の個数: 56

約数和(自身を含む): 591433920

約数和(自身を除く): 312624128

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 109, 136, 218, 272, 436, 544, 872, 1088, 1744, 1853, 2351, 3488, 3706, 4702, 6976, 7412, 9404, 14824, 18808, 29648, 37616, 39967, 59296, 75232, 79934, 118592, 150464, 159868, 256259, 319736, 512518, 639472, 1025036, 1278944, 2050072, 2557888, 4100144, 4356403, 8200288, 8712806, 16400576, 17425612, 34851224, 69702448, 139404896, 278809792]

約数ペア:

[(1, 278809792), (2, 139404896), (4, 69702448), (8, 34851224), (16, 17425612), (17, 16400576), (32, 8712806), (34, 8200288), (64, 4356403), (68, 4100144), (109, 2557888), (136, 2050072), (218, 1278944), (272, 1025036), (436, 639472), (544, 512518), (872, 319736), (1088, 256259), (1744, 159868), (1853, 150464), (2351, 118592), (3488, 79934), (3706, 75232), (4702, 59296), (6976, 39967), (7412, 37616), (9404, 29648), (14824, 18808)]