81790214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2789}}^1$

素因数の和:2876

約数の個数: 32

約数和(自身を含む): 141419520

約数和(自身を除く): 59629306

約数列:

[1, 2, 11, 22, 31, 43, 62, 86, 341, 473, 682, 946, 1333, 2666, 2789, 5578, 14663, 29326, 30679, 61358, 86459, 119927, 172918, 239854, 951049, 1319197, 1902098, 2638394, 3717737, 7435474, 40895107, 81790214]

約数ペア:

[(1, 81790214), (2, 40895107), (11, 7435474), (22, 3717737), (31, 2638394), (43, 1902098), (62, 1319197), (86, 951049), (341, 239854), (473, 172918), (682, 119927), (946, 86459), (1333, 61358), (2666, 30679), (2789, 29326), (5578, 14663)]