28754341

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 37785600

約数和(自身を除く): 9031259

約数列:

[1, 7, 11, 29, 77, 79, 163, 203, 319, 553, 869, 1141, 1793, 2233, 2291, 4727, 6083, 12551, 12877, 16037, 25201, 33089, 51997, 90139, 141647, 176407, 363979, 373433, 991529, 2614031, 4107763, 28754341]

約数ペア:

[(1, 28754341), (7, 4107763), (11, 2614031), (29, 991529), (77, 373433), (79, 363979), (163, 176407), (203, 141647), (319, 90139), (553, 51997), (869, 33089), (1141, 25201), (1793, 16037), (2233, 12877), (2291, 12551), (4727, 6083)]