259681268

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{2711}}^1$

素因数の和:3044

約数の個数: 48

約数和(自身を含む): 568608768

約数和(自身を除く): 308927500

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 311, 622, 1244, 2177, 2711, 3421, 4354, 5422, 6842, 8708, 10844, 13684, 18977, 23947, 29821, 37954, 47894, 59642, 75908, 95788, 119284, 208747, 417494, 834988, 843121, 1686242, 3372484, 5901847, 9274331, 11803694, 18548662, 23607388, 37097324, 64920317, 129840634, 259681268]

約数ペア:

[(1, 259681268), (2, 129840634), (4, 64920317), (7, 37097324), (11, 23607388), (14, 18548662), (22, 11803694), (28, 9274331), (44, 5901847), (77, 3372484), (154, 1686242), (308, 843121), (311, 834988), (622, 417494), (1244, 208747), (2177, 119284), (2711, 95788), (3421, 75908), (4354, 59642), (5422, 47894), (6842, 37954), (8708, 29821), (10844, 23947), (13684, 18977)]