222778728

素因数分解:

$2^3\times 3^3\times {\mathrm{431}}^1\times {\mathrm{2393}}^1$

素因数の和:2839

約数の個数: 64

約数和(自身を含む): 620524800

約数和(自身を除く): 397746072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 431, 862, 1293, 1724, 2393, 2586, 3448, 3879, 4786, 5172, 7179, 7758, 9572, 10344, 11637, 14358, 15516, 19144, 21537, 23274, 28716, 31032, 43074, 46548, 57432, 64611, 86148, 93096, 129222, 172296, 258444, 516888, 1031383, 2062766, 3094149, 4125532, 6188298, 8251064, 9282447, 12376596, 18564894, 24753192, 27847341, 37129788, 55694682, 74259576, 111389364, 222778728]

約数ペア:

[(1, 222778728), (2, 111389364), (3, 74259576), (4, 55694682), (6, 37129788), (8, 27847341), (9, 24753192), (12, 18564894), (18, 12376596), (24, 9282447), (27, 8251064), (36, 6188298), (54, 4125532), (72, 3094149), (108, 2062766), (216, 1031383), (431, 516888), (862, 258444), (1293, 172296), (1724, 129222), (2393, 93096), (2586, 86148), (3448, 64611), (3879, 57432), (4786, 46548), (5172, 43074), (7179, 31032), (7758, 28716), (9572, 23274), (10344, 21537), (11637, 19144), (14358, 15516)]