856206505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{5717}}^1$

素因数の和:6129

約数の個数: 32

約数和(自身を含む): 1284491520

約数和(自身を除く): 428285015

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 389, 1945, 2723, 4279, 5717, 13615, 21395, 28585, 29953, 40019, 62887, 149765, 200095, 314435, 440209, 2201045, 2223913, 11119565, 15567391, 24463043, 77836955, 122315215, 171241301, 856206505]

約数ペア:

[(1, 856206505), (5, 171241301), (7, 122315215), (11, 77836955), (35, 24463043), (55, 15567391), (77, 11119565), (385, 2223913), (389, 2201045), (1945, 440209), (2723, 314435), (4279, 200095), (5717, 149765), (13615, 62887), (21395, 40019), (28585, 29953)]