1220912

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1017

約数の個数: 40

約数和(自身を含む): 2952192

約数和(自身を除く): 1731280

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 991, 1232, 1982, 3964, 6937, 7928, 10901, 13874, 15856, 21802, 27748, 43604, 55496, 76307, 87208, 110992, 152614, 174416, 305228, 610456, 1220912]

約数ペア:

[(1, 1220912), (2, 610456), (4, 305228), (7, 174416), (8, 152614), (11, 110992), (14, 87208), (16, 76307), (22, 55496), (28, 43604), (44, 27748), (56, 21802), (77, 15856), (88, 13874), (112, 10901), (154, 7928), (176, 6937), (308, 3964), (616, 1982), (991, 1232)]