209370812

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{37957}}^1$

素因数の和:38165

約数の個数: 24

約数和(自身を含む): 420878304

約数和(自身を除く): 211507492

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 5516, 37957, 75914, 151828, 265699, 531398, 1062796, 7477529, 14955058, 29910116, 52342703, 104685406, 209370812]

約数ペア:

[(1, 209370812), (2, 104685406), (4, 52342703), (7, 29910116), (14, 14955058), (28, 7477529), (197, 1062796), (394, 531398), (788, 265699), (1379, 151828), (2758, 75914), (5516, 37957)]