1287822770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1433}}^1$

素因数の和:1707

約数の個数: 64

約数和(自身を含む): 2590285824

約数和(自身を除く): 1302463054

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 223, 310, 403, 446, 806, 1115, 1433, 2015, 2230, 2866, 2899, 4030, 5798, 6913, 7165, 13826, 14330, 14495, 18629, 28990, 34565, 37258, 44423, 69130, 88846, 89869, 93145, 179738, 186290, 222115, 319559, 444230, 449345, 577499, 639118, 898690, 1154998, 1597795, 2887495, 3195590, 4154267, 5774990, 8308534, 9906329, 19812658, 20771335, 41542670, 49531645, 99063290, 128782277, 257564554, 643911385, 1287822770]

約数ペア:

[(1, 1287822770), (2, 643911385), (5, 257564554), (10, 128782277), (13, 99063290), (26, 49531645), (31, 41542670), (62, 20771335), (65, 19812658), (130, 9906329), (155, 8308534), (223, 5774990), (310, 4154267), (403, 3195590), (446, 2887495), (806, 1597795), (1115, 1154998), (1433, 898690), (2015, 639118), (2230, 577499), (2866, 449345), (2899, 444230), (4030, 319559), (5798, 222115), (6913, 186290), (7165, 179738), (13826, 93145), (14330, 89869), (14495, 88846), (18629, 69130), (28990, 44423), (34565, 37258)]