211231878

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{22381}}^1$

素因数の和:22421

約数の個数: 48

約数和(自身を含む): 500103408

約数和(自身を除く): 288871530

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 121, 143, 242, 286, 363, 429, 726, 858, 1573, 3146, 4719, 9438, 22381, 44762, 67143, 134286, 246191, 290953, 492382, 581906, 738573, 872859, 1477146, 1745718, 2708101, 3200483, 5416202, 6400966, 8124303, 9601449, 16248606, 19202898, 35205313, 70410626, 105615939, 211231878]

約数ペア:

[(1, 211231878), (2, 105615939), (3, 70410626), (6, 35205313), (11, 19202898), (13, 16248606), (22, 9601449), (26, 8124303), (33, 6400966), (39, 5416202), (66, 3200483), (78, 2708101), (121, 1745718), (143, 1477146), (242, 872859), (286, 738573), (363, 581906), (429, 492382), (726, 290953), (858, 246191), (1573, 134286), (3146, 67143), (4719, 44762), (9438, 22381)]