12891900959

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{953}}^1\times {\mathrm{1151}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 15614705664

約数和(自身を除く): 2722804705

約数列:

[1, 7, 23, 73, 161, 511, 953, 1151, 1679, 6671, 8057, 11753, 21919, 26473, 69569, 84023, 153433, 185311, 486983, 588161, 1096903, 1600087, 1932529, 7678321, 11200609, 13527703, 25228769, 80073919, 176601383, 560517433, 1841700137, 12891900959]

約数ペア:

[(1, 12891900959), (7, 1841700137), (23, 560517433), (73, 176601383), (161, 80073919), (511, 25228769), (953, 13527703), (1151, 11200609), (1679, 7678321), (6671, 1932529), (8057, 1600087), (11753, 1096903), (21919, 588161), (26473, 486983), (69569, 185311), (84023, 153433)]