81366131

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 109278720

約数和(自身を除く): 27912589

約数列:

[1, 7, 11, 17, 61, 77, 119, 187, 427, 671, 1019, 1037, 1309, 4697, 7133, 7259, 11209, 11407, 17323, 62159, 78463, 79849, 121261, 190553, 435113, 683749, 1056703, 1333871, 4786243, 7396921, 11623733, 81366131]

約数ペア:

[(1, 81366131), (7, 11623733), (11, 7396921), (17, 4786243), (61, 1333871), (77, 1056703), (119, 683749), (187, 435113), (427, 190553), (671, 121261), (1019, 79849), (1037, 78463), (1309, 62159), (4697, 17323), (7133, 11407), (7259, 11209)]