1221054352

素因数分解:

$2^4\times 7^1\times {\mathrm{509}}^1\times {\mathrm{21419}}^1$

素因数の和:21943

約数の個数: 40

約数和(自身を含む): 2709201600

約数和(自身を除く): 1488147248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 509, 1018, 2036, 3563, 4072, 7126, 8144, 14252, 21419, 28504, 42838, 57008, 85676, 149933, 171352, 299866, 342704, 599732, 1199464, 2398928, 10902271, 21804542, 43609084, 76315897, 87218168, 152631794, 174436336, 305263588, 610527176, 1221054352]

約数ペア:

[(1, 1221054352), (2, 610527176), (4, 305263588), (7, 174436336), (8, 152631794), (14, 87218168), (16, 76315897), (28, 43609084), (56, 21804542), (112, 10902271), (509, 2398928), (1018, 1199464), (2036, 599732), (3563, 342704), (4072, 299866), (7126, 171352), (8144, 149933), (14252, 85676), (21419, 57008), (28504, 42838)]