8671278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^2$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 21780864

約数和(自身を除く): 13109586

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 137, 154, 231, 274, 411, 462, 822, 959, 1507, 1918, 2877, 3014, 4521, 5754, 9042, 10549, 18769, 21098, 31647, 37538, 56307, 63294, 112614, 131383, 206459, 262766, 394149, 412918, 619377, 788298, 1238754, 1445213, 2890426, 4335639, 8671278]

約数ペア:

[(1, 8671278), (2, 4335639), (3, 2890426), (6, 1445213), (7, 1238754), (11, 788298), (14, 619377), (21, 412918), (22, 394149), (33, 262766), (42, 206459), (66, 131383), (77, 112614), (137, 63294), (154, 56307), (231, 37538), (274, 31647), (411, 21098), (462, 18769), (822, 10549), (959, 9042), (1507, 5754), (1918, 4521), (2877, 3014)]