128897328

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{383623}}^1$

素因数の和:383641

約数の個数: 40

約数和(自身を含む): 380555008

約数和(自身を除く): 251657680

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 383623, 767246, 1150869, 1534492, 2301738, 2685361, 3068984, 4603476, 5370722, 6137968, 8056083, 9206952, 10741444, 16112166, 18413904, 21482888, 32224332, 42965776, 64448664, 128897328]

約数ペア:

[(1, 128897328), (2, 64448664), (3, 42965776), (4, 32224332), (6, 21482888), (7, 18413904), (8, 16112166), (12, 10741444), (14, 9206952), (16, 8056083), (21, 6137968), (24, 5370722), (28, 4603476), (42, 3068984), (48, 2685361), (56, 2301738), (84, 1534492), (112, 1150869), (168, 767246), (336, 383623)]