218645812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{5419}}^1$

素因数の和:5572

約数の個数: 48

約数和(自身を含む): 480775680

約数和(自身を除く): 262129868

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 131, 154, 262, 308, 524, 917, 1441, 1834, 2882, 3668, 5419, 5764, 10087, 10838, 20174, 21676, 37933, 40348, 59609, 75866, 119218, 151732, 238436, 417263, 709889, 834526, 1419778, 1669052, 2839556, 4969223, 7808779, 9938446, 15617558, 19876892, 31235116, 54661453, 109322906, 218645812]

約数ペア:

[(1, 218645812), (2, 109322906), (4, 54661453), (7, 31235116), (11, 19876892), (14, 15617558), (22, 9938446), (28, 7808779), (44, 4969223), (77, 2839556), (131, 1669052), (154, 1419778), (262, 834526), (308, 709889), (524, 417263), (917, 238436), (1441, 151732), (1834, 119218), (2882, 75866), (3668, 59609), (5419, 40348), (5764, 37933), (10087, 21676), (10838, 20174)]