81513516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{26227}}^1$

素因数の和:26278

約数の個数: 48

約数和(自身を含む): 223252736

約数和(自身を除く): 141739220

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 26227, 52454, 78681, 104908, 157362, 183589, 314724, 367178, 550767, 734356, 970399, 1101534, 1940798, 2203068, 2911197, 3881596, 5822394, 6792793, 11644788, 13585586, 20378379, 27171172, 40756758, 81513516]

約数ペア:

[(1, 81513516), (2, 40756758), (3, 27171172), (4, 20378379), (6, 13585586), (7, 11644788), (12, 6792793), (14, 5822394), (21, 3881596), (28, 2911197), (37, 2203068), (42, 1940798), (74, 1101534), (84, 970399), (111, 734356), (148, 550767), (222, 367178), (259, 314724), (444, 183589), (518, 157362), (777, 104908), (1036, 78681), (1554, 52454), (3108, 26227)]