67779517

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2003}}^1$

素因数の和:2172

約数の個数: 16

約数和(自身を含む): 77434560

約数和(自身を除く): 9655043

約数列:

[1, 13, 19, 137, 247, 1781, 2003, 2603, 26039, 33839, 38057, 274411, 494741, 3567343, 5213809, 67779517]

約数ペア:

[(1, 67779517), (13, 5213809), (19, 3567343), (137, 494741), (247, 274411), (1781, 38057), (2003, 33839), (2603, 26039)]