81482632

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 209018880

約数和(自身を除く): 127536248

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 31, 34, 44, 56, 62, 68, 77, 88, 119, 124, 136, 154, 187, 217, 238, 248, 251, 308, 341, 374, 434, 476, 502, 527, 616, 682, 748, 868, 952, 1004, 1054, 1309, 1364, 1496, 1736, 1757, 2008, 2108, 2387, 2618, 2728, 2761, 3514, 3689, 4216, 4267, 4774, 5236, 5522, 5797, 7028, 7378, 7781, 8534, 9548, 10472, 11044, 11594, 14056, 14756, 15562, 17068, 19096, 19327, 22088, 23188, 29512, 29869, 31124, 34136, 38654, 40579, 46376, 46937, 54467, 59738, 62248, 77308, 81158, 85591, 93874, 108934, 119476, 132277, 154616, 162316, 171182, 187748, 217868, 238952, 264554, 324632, 328559, 342364, 375496, 435736, 529108, 599137, 657118, 684728, 925939, 1058216, 1198274, 1314236, 1455047, 1851878, 2396548, 2628472, 2910094, 3703756, 4793096, 5820188, 7407512, 10185329, 11640376, 20370658, 40741316, 81482632]

約数ペア:

[(1, 81482632), (2, 40741316), (4, 20370658), (7, 11640376), (8, 10185329), (11, 7407512), (14, 5820188), (17, 4793096), (22, 3703756), (28, 2910094), (31, 2628472), (34, 2396548), (44, 1851878), (56, 1455047), (62, 1314236), (68, 1198274), (77, 1058216), (88, 925939), (119, 684728), (124, 657118), (136, 599137), (154, 529108), (187, 435736), (217, 375496), (238, 342364), (248, 328559), (251, 324632), (308, 264554), (341, 238952), (374, 217868), (434, 187748), (476, 171182), (502, 162316), (527, 154616), (616, 132277), (682, 119476), (748, 108934), (868, 93874), (952, 85591), (1004, 81158), (1054, 77308), (1309, 62248), (1364, 59738), (1496, 54467), (1736, 46937), (1757, 46376), (2008, 40579), (2108, 38654), (2387, 34136), (2618, 31124), (2728, 29869), (2761, 29512), (3514, 23188), (3689, 22088), (4216, 19327), (4267, 19096), (4774, 17068), (5236, 15562), (5522, 14756), (5797, 14056), (7028, 11594), (7378, 11044), (7781, 10472), (8534, 9548)]