78210286

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 148887648

約数和(自身を除く): 70677362

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 137, 154, 242, 274, 337, 674, 847, 959, 1507, 1694, 1918, 2359, 3014, 3707, 4718, 7414, 10549, 16577, 21098, 25949, 33154, 40777, 46169, 51898, 81554, 92338, 116039, 232078, 285439, 323183, 507859, 570878, 646366, 1015718, 3555013, 5586449, 7110026, 11172898, 39105143, 78210286]

約数ペア:

[(1, 78210286), (2, 39105143), (7, 11172898), (11, 7110026), (14, 5586449), (22, 3555013), (77, 1015718), (121, 646366), (137, 570878), (154, 507859), (242, 323183), (274, 285439), (337, 232078), (674, 116039), (847, 92338), (959, 81554), (1507, 51898), (1694, 46169), (1918, 40777), (2359, 33154), (3014, 25949), (3707, 21098), (4718, 16577), (7414, 10549)]