28427406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9533}}^1$

素因数の和:9616

約数の個数: 32

約数和(自身を含む): 65899008

約数和(自身を除く): 37471602

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 9533, 19066, 28599, 57198, 66731, 133462, 200193, 400386, 676843, 1353686, 2030529, 4061058, 4737901, 9475802, 14213703, 28427406]

約数ペア:

[(1, 28427406), (2, 14213703), (3, 9475802), (6, 4737901), (7, 4061058), (14, 2030529), (21, 1353686), (42, 676843), (71, 400386), (142, 200193), (213, 133462), (426, 66731), (497, 57198), (994, 28599), (1491, 19066), (2982, 9533)]