64771768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{743}}^1$

素因数の和:1407

約数の個数: 32

約数和(自身を含む): 128964960

約数和(自身を除く): 64193192

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 641, 743, 1282, 1486, 2564, 2972, 5128, 5944, 10897, 12631, 21794, 25262, 43588, 50524, 87176, 101048, 476263, 952526, 1905052, 3810104, 8096471, 16192942, 32385884, 64771768]

約数ペア:

[(1, 64771768), (2, 32385884), (4, 16192942), (8, 8096471), (17, 3810104), (34, 1905052), (68, 952526), (136, 476263), (641, 101048), (743, 87176), (1282, 50524), (1486, 43588), (2564, 25262), (2972, 21794), (5128, 12631), (5944, 10897)]