128208542

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1101

約数の個数: 64

約数和(自身を含む): 258508800

約数和(自身を除く): 130300258

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 43, 77, 86, 133, 154, 209, 266, 301, 418, 473, 602, 817, 946, 1019, 1463, 1634, 2038, 2926, 3311, 5719, 6622, 7133, 8987, 11209, 11438, 14266, 17974, 19361, 22418, 38722, 43817, 62909, 78463, 87634, 125818, 135527, 156926, 212971, 271054, 306719, 425942, 481987, 613438, 832523, 963974, 1490797, 1665046, 2981594, 3373909, 5827661, 6747818, 9157753, 11655322, 18315506, 64104271, 128208542]

約数ペア:

[(1, 128208542), (2, 64104271), (7, 18315506), (11, 11655322), (14, 9157753), (19, 6747818), (22, 5827661), (38, 3373909), (43, 2981594), (77, 1665046), (86, 1490797), (133, 963974), (154, 832523), (209, 613438), (266, 481987), (301, 425942), (418, 306719), (473, 271054), (602, 212971), (817, 156926), (946, 135527), (1019, 125818), (1463, 87634), (1634, 78463), (2038, 62909), (2926, 43817), (3311, 38722), (5719, 22418), (6622, 19361), (7133, 17974), (8987, 14266), (11209, 11438)]