219492726

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:905

約数の個数: 64

約数和(自身を含む): 479305728

約数和(自身を除く): 259813002

約数列:

[1, 2, 3, 6, 23, 43, 46, 47, 69, 86, 94, 129, 138, 141, 258, 282, 787, 989, 1081, 1574, 1978, 2021, 2162, 2361, 2967, 3243, 4042, 4722, 5934, 6063, 6486, 12126, 18101, 33841, 36202, 36989, 46483, 54303, 67682, 73978, 92966, 101523, 108606, 110967, 139449, 203046, 221934, 278898, 778343, 850747, 1556686, 1590527, 1701494, 2335029, 2552241, 3181054, 4670058, 4771581, 5104482, 9543162, 36582121, 73164242, 109746363, 219492726]

約数ペア:

[(1, 219492726), (2, 109746363), (3, 73164242), (6, 36582121), (23, 9543162), (43, 5104482), (46, 4771581), (47, 4670058), (69, 3181054), (86, 2552241), (94, 2335029), (129, 1701494), (138, 1590527), (141, 1556686), (258, 850747), (282, 778343), (787, 278898), (989, 221934), (1081, 203046), (1574, 139449), (1978, 110967), (2021, 108606), (2162, 101523), (2361, 92966), (2967, 73978), (3243, 67682), (4042, 54303), (4722, 46483), (5934, 36989), (6063, 36202), (6486, 33841), (12126, 18101)]