478805789

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{7307}}^1$

素因数の和:7385

約数の個数: 32

約数和(自身を含む): 639830016

約数和(自身を除く): 161024227

約数列:

[1, 7, 11, 23, 37, 77, 161, 253, 259, 407, 851, 1771, 2849, 5957, 7307, 9361, 51149, 65527, 80377, 168061, 270359, 562639, 1176427, 1848671, 1892513, 2973949, 6218257, 12940697, 20817643, 43527799, 68400827, 478805789]

約数ペア:

[(1, 478805789), (7, 68400827), (11, 43527799), (23, 20817643), (37, 12940697), (77, 6218257), (161, 2973949), (253, 1892513), (259, 1848671), (407, 1176427), (851, 562639), (1771, 270359), (2849, 168061), (5957, 80377), (7307, 65527), (9361, 51149)]