289456888

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{1301}}^1$

素因数の和:1480

約数の個数: 64

約数和(自身を含む): 646833600

約数和(自身を除く): 357376712

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 137, 203, 232, 274, 406, 548, 812, 959, 1096, 1301, 1624, 1918, 2602, 3836, 3973, 5204, 7672, 7946, 9107, 10408, 15892, 18214, 27811, 31784, 36428, 37729, 55622, 72856, 75458, 111244, 150916, 178237, 222488, 264103, 301832, 356474, 528206, 712948, 1056412, 1247659, 1425896, 2112824, 2495318, 4990636, 5168873, 9981272, 10337746, 20675492, 36182111, 41350984, 72364222, 144728444, 289456888]

約数ペア:

[(1, 289456888), (2, 144728444), (4, 72364222), (7, 41350984), (8, 36182111), (14, 20675492), (28, 10337746), (29, 9981272), (56, 5168873), (58, 4990636), (116, 2495318), (137, 2112824), (203, 1425896), (232, 1247659), (274, 1056412), (406, 712948), (548, 528206), (812, 356474), (959, 301832), (1096, 264103), (1301, 222488), (1624, 178237), (1918, 150916), (2602, 111244), (3836, 75458), (3973, 72856), (5204, 55622), (7672, 37729), (7946, 36428), (9107, 31784), (10408, 27811), (15892, 18214)]