816443404

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{1423}}^1$

素因数の和:2126

約数の個数: 48

約数和(自身を含む): 1689296896

約数和(自身を除く): 872853492

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 661, 868, 1322, 1423, 2644, 2846, 4627, 5692, 9254, 9961, 18508, 19922, 20491, 39844, 40982, 44113, 81964, 88226, 143437, 176452, 286874, 308791, 573748, 617582, 940603, 1235164, 1881206, 3762412, 6584221, 13168442, 26336884, 29158693, 58317386, 116634772, 204110851, 408221702, 816443404]

約数ペア:

[(1, 816443404), (2, 408221702), (4, 204110851), (7, 116634772), (14, 58317386), (28, 29158693), (31, 26336884), (62, 13168442), (124, 6584221), (217, 3762412), (434, 1881206), (661, 1235164), (868, 940603), (1322, 617582), (1423, 573748), (2644, 308791), (2846, 286874), (4627, 176452), (5692, 143437), (9254, 88226), (9961, 81964), (18508, 44113), (19922, 40982), (20491, 39844)]