64742447

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 85155840

約数和(自身を除く): 20413393

約数列:

[1, 7, 11, 23, 77, 139, 161, 253, 263, 973, 1529, 1771, 1841, 2893, 3197, 6049, 10703, 20251, 22379, 35167, 36557, 42343, 66539, 246169, 255899, 402127, 465773, 840811, 2814889, 5885677, 9248921, 64742447]

約数ペア:

[(1, 64742447), (7, 9248921), (11, 5885677), (23, 2814889), (77, 840811), (139, 465773), (161, 402127), (253, 255899), (263, 246169), (973, 66539), (1529, 42343), (1771, 36557), (1841, 35167), (2893, 22379), (3197, 20251), (6049, 10703)]