28165079684

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{81101}}^1$

素因数の和:81348

約数の個数: 48

約数和(自身を含む): 57407239680

約数和(自身を除く): 29242159996

約数列:

[1, 2, 4, 7, 14, 28, 79, 157, 158, 314, 316, 553, 628, 1099, 1106, 2198, 2212, 4396, 12403, 24806, 49612, 81101, 86821, 162202, 173642, 324404, 347284, 567707, 1135414, 2270828, 6406979, 12732857, 12813958, 25465714, 25627916, 44848853, 50931428, 89129999, 89697706, 178259998, 179395412, 356519996, 1005895703, 2011791406, 4023582812, 7041269921, 14082539842, 28165079684]

約数ペア:

[(1, 28165079684), (2, 14082539842), (4, 7041269921), (7, 4023582812), (14, 2011791406), (28, 1005895703), (79, 356519996), (157, 179395412), (158, 178259998), (314, 89697706), (316, 89129999), (553, 50931428), (628, 44848853), (1099, 25627916), (1106, 25465714), (2198, 12813958), (2212, 12732857), (4396, 6406979), (12403, 2270828), (24806, 1135414), (49612, 567707), (81101, 347284), (86821, 324404), (162202, 173642)]