1998805896

素因数分解:

$2^3\times 3^4\times {\mathrm{1289}}^1\times {\mathrm{2393}}^1$

素因数の和:3700

約数の個数: 80

約数和(自身を含む): 5605191900

約数和(自身を除く): 3606386004

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1289, 2393, 2578, 3867, 4786, 5156, 7179, 7734, 9572, 10312, 11601, 14358, 15468, 19144, 21537, 23202, 28716, 30936, 34803, 43074, 46404, 57432, 64611, 69606, 86148, 92808, 104409, 129222, 139212, 172296, 193833, 208818, 258444, 278424, 387666, 417636, 516888, 775332, 835272, 1550664, 3084577, 6169154, 9253731, 12338308, 18507462, 24676616, 27761193, 37014924, 55522386, 74029848, 83283579, 111044772, 166567158, 222089544, 249850737, 333134316, 499701474, 666268632, 999402948, 1998805896]

約数ペア:

[(1, 1998805896), (2, 999402948), (3, 666268632), (4, 499701474), (6, 333134316), (8, 249850737), (9, 222089544), (12, 166567158), (18, 111044772), (24, 83283579), (27, 74029848), (36, 55522386), (54, 37014924), (72, 27761193), (81, 24676616), (108, 18507462), (162, 12338308), (216, 9253731), (324, 6169154), (648, 3084577), (1289, 1550664), (2393, 835272), (2578, 775332), (3867, 516888), (4786, 417636), (5156, 387666), (7179, 278424), (7734, 258444), (9572, 208818), (10312, 193833), (11601, 172296), (14358, 139212), (15468, 129222), (19144, 104409), (21537, 92808), (23202, 86148), (28716, 69606), (30936, 64611), (34803, 57432), (43074, 46404)]