40397819

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 54120960

約数和(自身を除く): 13723141

約数列:

[1, 7, 11, 19, 53, 77, 133, 209, 371, 521, 583, 1007, 1463, 3647, 4081, 5731, 7049, 9899, 11077, 27613, 40117, 69293, 77539, 108889, 193291, 303743, 524647, 762223, 2126201, 3672529, 5771117, 40397819]

約数ペア:

[(1, 40397819), (7, 5771117), (11, 3672529), (19, 2126201), (53, 762223), (77, 524647), (133, 303743), (209, 193291), (371, 108889), (521, 77539), (583, 69293), (1007, 40117), (1463, 27613), (3647, 11077), (4081, 9899), (5731, 7049)]