9981272

素因数分解:

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

素因数の和:1451

約数の個数: 32

約数和(自身を含む): 21561120

約数和(自身を除く): 11579848

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1301, 1918, 2602, 3836, 5204, 7672, 9107, 10408, 18214, 36428, 72856, 178237, 356474, 712948, 1247659, 1425896, 2495318, 4990636, 9981272]

約数ペア:

[(1, 9981272), (2, 4990636), (4, 2495318), (7, 1425896), (8, 1247659), (14, 712948), (28, 356474), (56, 178237), (137, 72856), (274, 36428), (548, 18214), (959, 10408), (1096, 9107), (1301, 7672), (1918, 5204), (2602, 3836)]