20161218012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{66721}}^1$

素因数の和:66903

約数の個数: 72

約数和(自身を含む): 51282529200

約数和(自身を除く): 31121311188

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 149, 156, 169, 298, 338, 447, 507, 596, 676, 894, 1014, 1788, 1937, 2028, 3874, 5811, 7748, 11622, 23244, 25181, 50362, 66721, 75543, 100724, 133442, 151086, 200163, 266884, 302172, 400326, 800652, 867373, 1734746, 2602119, 3469492, 5204238, 9941429, 10408476, 11275849, 19882858, 22551698, 29824287, 33827547, 39765716, 45103396, 59648574, 67655094, 119297148, 129238577, 135310188, 258477154, 387715731, 516954308, 775431462, 1550862924, 1680101501, 3360203002, 5040304503, 6720406004, 10080609006, 20161218012]

約数ペア:

[(1, 20161218012), (2, 10080609006), (3, 6720406004), (4, 5040304503), (6, 3360203002), (12, 1680101501), (13, 1550862924), (26, 775431462), (39, 516954308), (52, 387715731), (78, 258477154), (149, 135310188), (156, 129238577), (169, 119297148), (298, 67655094), (338, 59648574), (447, 45103396), (507, 39765716), (596, 33827547), (676, 29824287), (894, 22551698), (1014, 19882858), (1788, 11275849), (1937, 10408476), (2028, 9941429), (3874, 5204238), (5811, 3469492), (7748, 2602119), (11622, 1734746), (23244, 867373), (25181, 800652), (50362, 400326), (66721, 302172), (75543, 266884), (100724, 200163), (133442, 151086)]