81897144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25657}}^1$

素因数の和:25692

約数の個数: 64

約数和(自身を含む): 246316800

約数和(自身を除く): 164419656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 399, 456, 532, 798, 1064, 1596, 3192, 25657, 51314, 76971, 102628, 153942, 179599, 205256, 307884, 359198, 487483, 538797, 615768, 718396, 974966, 1077594, 1436792, 1462449, 1949932, 2155188, 2924898, 3412381, 3899864, 4310376, 5849796, 6824762, 10237143, 11699592, 13649524, 20474286, 27299048, 40948572, 81897144]

約数ペア:

[(1, 81897144), (2, 40948572), (3, 27299048), (4, 20474286), (6, 13649524), (7, 11699592), (8, 10237143), (12, 6824762), (14, 5849796), (19, 4310376), (21, 3899864), (24, 3412381), (28, 2924898), (38, 2155188), (42, 1949932), (56, 1462449), (57, 1436792), (76, 1077594), (84, 974966), (114, 718396), (133, 615768), (152, 538797), (168, 487483), (228, 359198), (266, 307884), (399, 205256), (456, 179599), (532, 153942), (798, 102628), (1064, 76971), (1596, 51314), (3192, 25657)]