209968354

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1543}}^1\times {\mathrm{3581}}^1$

素因数の和:5145

約数の個数: 16

約数和(自身を含む): 331836480

約数和(自身を除く): 121868126

約数列:

[1, 2, 19, 38, 1543, 3086, 3581, 7162, 29317, 58634, 68039, 136078, 5525483, 11050966, 104984177, 209968354]

約数ペア:

[(1, 209968354), (2, 104984177), (19, 11050966), (38, 5525483), (1543, 136078), (3086, 68039), (3581, 58634), (7162, 29317)]