28383984

素因数分解:

$2^4\times 3^2\times {\mathrm{439}}^1\times {\mathrm{449}}^1$

素因数の和:902

約数の個数: 60

約数和(自身を含む): 79794000

約数和(自身を除く): 51410016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 439, 449, 878, 898, 1317, 1347, 1756, 1796, 2634, 2694, 3512, 3592, 3951, 4041, 5268, 5388, 7024, 7184, 7902, 8082, 10536, 10776, 15804, 16164, 21072, 21552, 31608, 32328, 63216, 64656, 197111, 394222, 591333, 788444, 1182666, 1576888, 1773999, 2365332, 3153776, 3547998, 4730664, 7095996, 9461328, 14191992, 28383984]

約数ペア:

[(1, 28383984), (2, 14191992), (3, 9461328), (4, 7095996), (6, 4730664), (8, 3547998), (9, 3153776), (12, 2365332), (16, 1773999), (18, 1576888), (24, 1182666), (36, 788444), (48, 591333), (72, 394222), (144, 197111), (439, 64656), (449, 63216), (878, 32328), (898, 31608), (1317, 21552), (1347, 21072), (1756, 16164), (1796, 15804), (2634, 10776), (2694, 10536), (3512, 8082), (3592, 7902), (3951, 7184), (4041, 7024), (5268, 5388)]