80721148

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{15139}}^1$

素因数の和:15217

約数の個数: 24

約数和(自身を含む): 149219840

約数和(自身を除く): 68498692

約数列:

[1, 2, 4, 31, 43, 62, 86, 124, 172, 1333, 2666, 5332, 15139, 30278, 60556, 469309, 650977, 938618, 1301954, 1877236, 2603908, 20180287, 40360574, 80721148]

約数ペア:

[(1, 80721148), (2, 40360574), (4, 20180287), (31, 2603908), (43, 1877236), (62, 1301954), (86, 938618), (124, 650977), (172, 469309), (1333, 60556), (2666, 30278), (5332, 15139)]