268580176

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{1021}}^1$

素因数の和:1471

約数の個数: 40

約数和(自身を含む): 534918888

約数和(自身を除く): 266338712

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 401, 656, 802, 1021, 1604, 2042, 3208, 4084, 6416, 8168, 16336, 16441, 32882, 41861, 65764, 83722, 131528, 167444, 263056, 334888, 409421, 669776, 818842, 1637684, 3275368, 6550736, 16786261, 33572522, 67145044, 134290088, 268580176]

約数ペア:

[(1, 268580176), (2, 134290088), (4, 67145044), (8, 33572522), (16, 16786261), (41, 6550736), (82, 3275368), (164, 1637684), (328, 818842), (401, 669776), (656, 409421), (802, 334888), (1021, 263056), (1604, 167444), (2042, 131528), (3208, 83722), (4084, 65764), (6416, 41861), (8168, 32882), (16336, 16441)]