25975565

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 16325875

約数列:

[1, 5, 7, 11, 19, 35, 53, 55, 67, 77, 95, 133, 209, 265, 335, 371, 385, 469, 583, 665, 737, 1007, 1045, 1273, 1463, 1855, 2345, 2915, 3551, 3685, 4081, 5035, 5159, 6365, 7049, 7315, 8911, 11077, 14003, 17755, 20405, 24857, 25795, 35245, 39061, 44555, 55385, 67469, 70015, 77539, 98021, 124285, 195305, 273427, 337345, 387695, 472283, 490105, 742159, 1367135, 2361415, 3710795, 5195113, 25975565]

約数ペア:

[(1, 25975565), (5, 5195113), (7, 3710795), (11, 2361415), (19, 1367135), (35, 742159), (53, 490105), (55, 472283), (67, 387695), (77, 337345), (95, 273427), (133, 195305), (209, 124285), (265, 98021), (335, 77539), (371, 70015), (385, 67469), (469, 55385), (583, 44555), (665, 39061), (737, 35245), (1007, 25795), (1045, 24857), (1273, 20405), (1463, 17755), (1855, 14003), (2345, 11077), (2915, 8911), (3551, 7315), (3685, 7049), (4081, 6365), (5035, 5159)]