165353279

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 213964800

約数和(自身を除く): 48611521

約数列:

[1, 7, 13, 23, 91, 161, 199, 299, 397, 1393, 2093, 2587, 2779, 4577, 5161, 9131, 18109, 32039, 36127, 59501, 63917, 79003, 118703, 416507, 553021, 830921, 1027039, 1817069, 7189273, 12719483, 23621897, 165353279]

約数ペア:

[(1, 165353279), (7, 23621897), (13, 12719483), (23, 7189273), (91, 1817069), (161, 1027039), (199, 830921), (299, 553021), (397, 416507), (1393, 118703), (2093, 79003), (2587, 63917), (2779, 59501), (4577, 36127), (5161, 32039), (9131, 18109)]