28353816

素因数分解:

$2^3\times 3^2\times {\mathrm{197}}^1\times {\mathrm{1999}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 77220000

約数和(自身を除く): 48866184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 197, 394, 591, 788, 1182, 1576, 1773, 1999, 2364, 3546, 3998, 4728, 5997, 7092, 7996, 11994, 14184, 15992, 17991, 23988, 35982, 47976, 71964, 143928, 393803, 787606, 1181409, 1575212, 2362818, 3150424, 3544227, 4725636, 7088454, 9451272, 14176908, 28353816]

約数ペア:

[(1, 28353816), (2, 14176908), (3, 9451272), (4, 7088454), (6, 4725636), (8, 3544227), (9, 3150424), (12, 2362818), (18, 1575212), (24, 1181409), (36, 787606), (72, 393803), (197, 143928), (394, 71964), (591, 47976), (788, 35982), (1182, 23988), (1576, 17991), (1773, 15992), (1999, 14184), (2364, 11994), (3546, 7996), (3998, 7092), (4728, 5997)]