40142478

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:517

約数の個数: 48

約数和(自身を含む): 86904576

約数和(自身を除く): 46762098

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 258, 361, 431, 722, 817, 862, 1083, 1293, 1634, 2166, 2451, 2586, 4902, 8189, 15523, 16378, 18533, 24567, 31046, 37066, 46569, 49134, 55599, 93138, 111198, 155591, 311182, 352127, 466773, 704254, 933546, 1056381, 2112762, 6690413, 13380826, 20071239, 40142478]

約数ペア:

[(1, 40142478), (2, 20071239), (3, 13380826), (6, 6690413), (19, 2112762), (38, 1056381), (43, 933546), (57, 704254), (86, 466773), (114, 352127), (129, 311182), (258, 155591), (361, 111198), (431, 93138), (722, 55599), (817, 49134), (862, 46569), (1083, 37066), (1293, 31046), (1634, 24567), (2166, 18533), (2451, 16378), (2586, 15523), (4902, 8189)]