28200557

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 37082880

約数和(自身を除く): 8882323

約数列:

[1, 7, 11, 29, 73, 77, 173, 203, 319, 511, 803, 1211, 1903, 2117, 2233, 5017, 5621, 12629, 13321, 14819, 23287, 35119, 55187, 88403, 138919, 163009, 366241, 386309, 972433, 2563687, 4028651, 28200557]

約数ペア:

[(1, 28200557), (7, 4028651), (11, 2563687), (29, 972433), (73, 386309), (77, 366241), (173, 163009), (203, 138919), (319, 88403), (511, 55187), (803, 35119), (1211, 23287), (1903, 14819), (2117, 13321), (2233, 12629), (5017, 5621)]