13438348

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 31256064

約数和(自身を除く): 17817716

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 49, 77, 92, 98, 154, 161, 196, 253, 271, 308, 322, 506, 539, 542, 644, 1012, 1078, 1084, 1127, 1771, 1897, 2156, 2254, 2981, 3542, 3794, 4508, 5962, 6233, 7084, 7588, 11924, 12397, 12466, 13279, 20867, 24794, 24932, 26558, 41734, 43631, 49588, 53116, 68563, 83468, 87262, 137126, 146069, 174524, 274252, 292138, 305417, 479941, 584276, 610834, 959882, 1221668, 1919764, 3359587, 6719174, 13438348]

約数ペア:

[(1, 13438348), (2, 6719174), (4, 3359587), (7, 1919764), (11, 1221668), (14, 959882), (22, 610834), (23, 584276), (28, 479941), (44, 305417), (46, 292138), (49, 274252), (77, 174524), (92, 146069), (98, 137126), (154, 87262), (161, 83468), (196, 68563), (253, 53116), (271, 49588), (308, 43631), (322, 41734), (506, 26558), (539, 24932), (542, 24794), (644, 20867), (1012, 13279), (1078, 12466), (1084, 12397), (1127, 11924), (1771, 7588), (1897, 7084), (2156, 6233), (2254, 5962), (2981, 4508), (3542, 3794)]