309996484

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{1873}}^1$

素因数の和:2164

約数の個数: 48

約数和(自身を含む): 649813248

約数和(自身を除く): 339816764

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 257, 322, 514, 644, 1028, 1799, 1873, 3598, 3746, 5911, 7196, 7492, 11822, 13111, 23644, 26222, 41377, 43079, 52444, 82754, 86158, 165508, 172316, 301553, 481361, 603106, 962722, 1206212, 1925444, 3369527, 6739054, 11071303, 13478108, 22142606, 44285212, 77499121, 154998242, 309996484]

約数ペア:

[(1, 309996484), (2, 154998242), (4, 77499121), (7, 44285212), (14, 22142606), (23, 13478108), (28, 11071303), (46, 6739054), (92, 3369527), (161, 1925444), (257, 1206212), (322, 962722), (514, 603106), (644, 481361), (1028, 301553), (1799, 172316), (1873, 165508), (3598, 86158), (3746, 82754), (5911, 52444), (7196, 43079), (7492, 41377), (11822, 26222), (13111, 23644)]