209518274

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 386580480

約数和(自身を除く): 177062206

約数列:

[1, 2, 7, 14, 31, 43, 62, 86, 103, 109, 206, 217, 218, 301, 434, 602, 721, 763, 1333, 1442, 1526, 2666, 3193, 3379, 4429, 4687, 6386, 6758, 8858, 9331, 9374, 11227, 18662, 22351, 22454, 23653, 31003, 32809, 44702, 47306, 62006, 65618, 78589, 137299, 145297, 157178, 274598, 290594, 348037, 482761, 696074, 961093, 965522, 1017079, 1922186, 2034158, 2436259, 3379327, 4872518, 6758654, 14965591, 29931182, 104759137, 209518274]

約数ペア:

[(1, 209518274), (2, 104759137), (7, 29931182), (14, 14965591), (31, 6758654), (43, 4872518), (62, 3379327), (86, 2436259), (103, 2034158), (109, 1922186), (206, 1017079), (217, 965522), (218, 961093), (301, 696074), (434, 482761), (602, 348037), (721, 290594), (763, 274598), (1333, 157178), (1442, 145297), (1526, 137299), (2666, 78589), (3193, 65618), (3379, 62006), (4429, 47306), (4687, 44702), (6386, 32809), (6758, 31003), (8858, 23653), (9331, 22454), (9374, 22351), (11227, 18662)]