256728714

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{3191}}^1$

素因数の和:3283

約数の個数: 64

約数和(自身を含む): 595703808

約数和(自身を除く): 338975094

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 53, 66, 69, 106, 138, 159, 253, 318, 506, 583, 759, 1166, 1219, 1518, 1749, 2438, 3191, 3498, 3657, 6382, 7314, 9573, 13409, 19146, 26818, 35101, 40227, 70202, 73393, 80454, 105303, 146786, 169123, 210606, 220179, 338246, 440358, 507369, 807323, 1014738, 1614646, 1860353, 2421969, 3720706, 3889829, 4843938, 5581059, 7779658, 11162118, 11669487, 23338974, 42788119, 85576238, 128364357, 256728714]

約数ペア:

[(1, 256728714), (2, 128364357), (3, 85576238), (6, 42788119), (11, 23338974), (22, 11669487), (23, 11162118), (33, 7779658), (46, 5581059), (53, 4843938), (66, 3889829), (69, 3720706), (106, 2421969), (138, 1860353), (159, 1614646), (253, 1014738), (318, 807323), (506, 507369), (583, 440358), (759, 338246), (1166, 220179), (1219, 210606), (1518, 169123), (1749, 146786), (2438, 105303), (3191, 80454), (3498, 73393), (3657, 70202), (6382, 40227), (7314, 35101), (9573, 26818), (13409, 19146)]