2991801878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127997}}^1$

素因数の和:128072

約数の個数: 32

約数和(自身を含む): 5160879360

約数和(自身を除く): 2169077482

約数列:

[1, 2, 13, 26, 29, 31, 58, 62, 377, 403, 754, 806, 899, 1798, 11687, 23374, 127997, 255994, 1663961, 3327922, 3711913, 3967907, 7423826, 7935814, 48254869, 51582791, 96509738, 103165582, 115069303, 230138606, 1495900939, 2991801878]

約数ペア:

[(1, 2991801878), (2, 1495900939), (13, 230138606), (26, 115069303), (29, 103165582), (31, 96509738), (58, 51582791), (62, 48254869), (377, 7935814), (403, 7423826), (754, 3967907), (806, 3711913), (899, 3327922), (1798, 1663961), (11687, 255994), (23374, 127997)]