198581838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{821}}^1$

素因数の和:1289

約数の個数: 64

約数和(自身を含む): 490516992

約数和(自身を除く): 291935154

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 443, 546, 821, 886, 1329, 1642, 2463, 2658, 3101, 4926, 5747, 5759, 6202, 9303, 10673, 11494, 11518, 17241, 17277, 18606, 21346, 32019, 34482, 34554, 40313, 64038, 74711, 80626, 120939, 149422, 224133, 241878, 363703, 448266, 727406, 1091109, 2182218, 2545921, 4728139, 5091842, 7637763, 9456278, 14184417, 15275526, 28368834, 33096973, 66193946, 99290919, 198581838]

約数ペア:

[(1, 198581838), (2, 99290919), (3, 66193946), (6, 33096973), (7, 28368834), (13, 15275526), (14, 14184417), (21, 9456278), (26, 7637763), (39, 5091842), (42, 4728139), (78, 2545921), (91, 2182218), (182, 1091109), (273, 727406), (443, 448266), (546, 363703), (821, 241878), (886, 224133), (1329, 149422), (1642, 120939), (2463, 80626), (2658, 74711), (3101, 64038), (4926, 40313), (5747, 34554), (5759, 34482), (6202, 32019), (9303, 21346), (10673, 18606), (11494, 17277), (11518, 17241)]