1998590957

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{701}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 2329067520

約数和(自身を除く): 330476563

約数列:

[1, 11, 23, 59, 191, 253, 649, 701, 1357, 2101, 4393, 7711, 11269, 14927, 16123, 41359, 48323, 123959, 133891, 177353, 259187, 454949, 951257, 1472801, 2851057, 3079493, 7899569, 10463827, 33874423, 86895259, 181690087, 1998590957]

約数ペア:

[(1, 1998590957), (11, 181690087), (23, 86895259), (59, 33874423), (191, 10463827), (253, 7899569), (649, 3079493), (701, 2851057), (1357, 1472801), (2101, 951257), (4393, 454949), (7711, 259187), (11269, 177353), (14927, 133891), (16123, 123959), (41359, 48323)]