20161173172

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{124769}}^1$

素因数の和:125008

約数の個数: 48

約数和(自身を含む): 41922720000

約数和(自身を除く): 21761546828

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 199, 203, 398, 406, 796, 812, 1393, 2786, 5572, 5771, 11542, 23084, 40397, 80794, 124769, 161588, 249538, 499076, 873383, 1746766, 3493532, 3618301, 7236602, 14473204, 24829031, 25328107, 49658062, 50656214, 99316124, 101312428, 173803217, 347606434, 695212868, 720041899, 1440083798, 2880167596, 5040293293, 10080586586, 20161173172]

約数ペア:

[(1, 20161173172), (2, 10080586586), (4, 5040293293), (7, 2880167596), (14, 1440083798), (28, 720041899), (29, 695212868), (58, 347606434), (116, 173803217), (199, 101312428), (203, 99316124), (398, 50656214), (406, 49658062), (796, 25328107), (812, 24829031), (1393, 14473204), (2786, 7236602), (5572, 3618301), (5771, 3493532), (11542, 1746766), (23084, 873383), (40397, 499076), (80794, 249538), (124769, 161588)]