28142226

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1499}}^1$

素因数の和:1663

約数の個数: 48

約数和(自身を含む): 70200000

約数和(自身を除く): 42057774

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 149, 298, 447, 894, 1043, 1341, 1499, 2086, 2682, 2998, 3129, 4497, 6258, 8994, 9387, 10493, 13491, 18774, 20986, 26982, 31479, 62958, 94437, 188874, 223351, 446702, 670053, 1340106, 1563457, 2010159, 3126914, 4020318, 4690371, 9380742, 14071113, 28142226]

約数ペア:

[(1, 28142226), (2, 14071113), (3, 9380742), (6, 4690371), (7, 4020318), (9, 3126914), (14, 2010159), (18, 1563457), (21, 1340106), (42, 670053), (63, 446702), (126, 223351), (149, 188874), (298, 94437), (447, 62958), (894, 31479), (1043, 26982), (1341, 20986), (1499, 18774), (2086, 13491), (2682, 10493), (2998, 9387), (3129, 8994), (4497, 6258)]