80771716

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:320

約数の個数: 36

約数和(自身を含む): 147775152

約数和(自身を除く): 67003436

約数列:

[1, 2, 4, 43, 67, 86, 134, 163, 172, 268, 326, 652, 1849, 2881, 3698, 5762, 7009, 7396, 10921, 11524, 14018, 21842, 28036, 43684, 123883, 247766, 301387, 469603, 495532, 602774, 939206, 1205548, 1878412, 20192929, 40385858, 80771716]

約数ペア:

[(1, 80771716), (2, 40385858), (4, 20192929), (43, 1878412), (67, 1205548), (86, 939206), (134, 602774), (163, 495532), (172, 469603), (268, 301387), (326, 247766), (652, 123883), (1849, 43684), (2881, 28036), (3698, 21842), (5762, 14018), (7009, 11524), (7396, 10921)]