1388891448

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{306193}}^1$

素因数の和:306218

約数の個数: 80

約数和(自身を含む): 4445936880

約数和(自身を除く): 3057045432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4536, 306193, 612386, 918579, 1224772, 1837158, 2143351, 2449544, 2755737, 3674316, 4286702, 5511474, 6430053, 7348632, 8267211, 8573404, 11022948, 12860106, 16534422, 17146808, 19290159, 22045896, 24801633, 25720212, 33068844, 38580318, 49603266, 51440424, 57870477, 66137688, 77160636, 99206532, 115740954, 154321272, 173611431, 198413064, 231481908, 347222862, 462963816, 694445724, 1388891448]

約数ペア:

[(1, 1388891448), (2, 694445724), (3, 462963816), (4, 347222862), (6, 231481908), (7, 198413064), (8, 173611431), (9, 154321272), (12, 115740954), (14, 99206532), (18, 77160636), (21, 66137688), (24, 57870477), (27, 51440424), (28, 49603266), (36, 38580318), (42, 33068844), (54, 25720212), (56, 24801633), (63, 22045896), (72, 19290159), (81, 17146808), (84, 16534422), (108, 12860106), (126, 11022948), (162, 8573404), (168, 8267211), (189, 7348632), (216, 6430053), (252, 5511474), (324, 4286702), (378, 3674316), (504, 2755737), (567, 2449544), (648, 2143351), (756, 1837158), (1134, 1224772), (1512, 918579), (2268, 612386), (4536, 306193)]