81443916

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 211249584

約数和(自身を除く): 129805668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 97, 166, 194, 249, 281, 291, 332, 388, 498, 562, 582, 747, 843, 873, 996, 1124, 1164, 1494, 1686, 1746, 2529, 2988, 3372, 3492, 5058, 8051, 10116, 16102, 23323, 24153, 27257, 32204, 46646, 48306, 54514, 69969, 72459, 81771, 93292, 96612, 109028, 139938, 144918, 163542, 209907, 245313, 279876, 289836, 327084, 419814, 490626, 839628, 981252, 2262331, 4524662, 6786993, 9049324, 13573986, 20360979, 27147972, 40721958, 81443916]

約数ペア:

[(1, 81443916), (2, 40721958), (3, 27147972), (4, 20360979), (6, 13573986), (9, 9049324), (12, 6786993), (18, 4524662), (36, 2262331), (83, 981252), (97, 839628), (166, 490626), (194, 419814), (249, 327084), (281, 289836), (291, 279876), (332, 245313), (388, 209907), (498, 163542), (562, 144918), (582, 139938), (747, 109028), (843, 96612), (873, 93292), (996, 81771), (1124, 72459), (1164, 69969), (1494, 54514), (1686, 48306), (1746, 46646), (2529, 32204), (2988, 27257), (3372, 24153), (3492, 23323), (5058, 16102), (8051, 10116)]