208016812

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{37987}}^1$

素因数の和:38065

約数の個数: 18

約数和(自身を含む): 374143812

約数和(自身を除く): 166127000

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 5476, 37987, 75974, 151948, 1405519, 2811038, 5622076, 52004203, 104008406, 208016812]

約数ペア:

[(1, 208016812), (2, 104008406), (4, 52004203), (37, 5622076), (74, 2811038), (148, 1405519), (1369, 151948), (2738, 75974), (5476, 37987)]