2156870215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1\times {\mathrm{1307}}^1$

素因数の和:1959

約数の個数: 32

約数和(自身を含む): 2825280000

約数和(自身を除く): 668409785

約数列:

[1, 5, 19, 29, 95, 145, 551, 599, 1307, 2755, 2995, 6535, 11381, 17371, 24833, 37903, 56905, 86855, 124165, 189515, 330049, 720157, 782893, 1650245, 3600785, 3914465, 14874967, 22703897, 74374835, 113519485, 431374043, 2156870215]

約数ペア:

[(1, 2156870215), (5, 431374043), (19, 113519485), (29, 74374835), (95, 22703897), (145, 14874967), (551, 3914465), (599, 3600785), (1307, 1650245), (2755, 782893), (2995, 720157), (6535, 330049), (11381, 189515), (17371, 124165), (24833, 86855), (37903, 56905)]