161025304

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 349200000

約数和(自身を除く): 188174696

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 193, 209, 386, 418, 499, 772, 836, 998, 1544, 1672, 1996, 2123, 3667, 3992, 4246, 5489, 7334, 8492, 9481, 10978, 14668, 16984, 18962, 21956, 29336, 37924, 40337, 43912, 75848, 80674, 96307, 104291, 161348, 192614, 208582, 322696, 385228, 417164, 770456, 834328, 1059377, 1829833, 2118754, 3659666, 4237508, 7319332, 8475016, 14638664, 20128163, 40256326, 80512652, 161025304]

約数ペア:

[(1, 161025304), (2, 80512652), (4, 40256326), (8, 20128163), (11, 14638664), (19, 8475016), (22, 7319332), (38, 4237508), (44, 3659666), (76, 2118754), (88, 1829833), (152, 1059377), (193, 834328), (209, 770456), (386, 417164), (418, 385228), (499, 322696), (772, 208582), (836, 192614), (998, 161348), (1544, 104291), (1672, 96307), (1996, 80674), (2123, 75848), (3667, 43912), (3992, 40337), (4246, 37924), (5489, 29336), (7334, 21956), (8492, 18962), (9481, 16984), (10978, 14668)]