28787544

素因数分解:

$2^3\times 3^2\times {\mathrm{487}}^1\times {\mathrm{821}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 78221520

約数和(自身を除く): 49433976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 487, 821, 974, 1461, 1642, 1948, 2463, 2922, 3284, 3896, 4383, 4926, 5844, 6568, 7389, 8766, 9852, 11688, 14778, 17532, 19704, 29556, 35064, 59112, 399827, 799654, 1199481, 1599308, 2398962, 3198616, 3598443, 4797924, 7196886, 9595848, 14393772, 28787544]

約数ペア:

[(1, 28787544), (2, 14393772), (3, 9595848), (4, 7196886), (6, 4797924), (8, 3598443), (9, 3198616), (12, 2398962), (18, 1599308), (24, 1199481), (36, 799654), (72, 399827), (487, 59112), (821, 35064), (974, 29556), (1461, 19704), (1642, 17532), (1948, 14778), (2463, 11688), (2922, 9852), (3284, 8766), (3896, 7389), (4383, 6568), (4926, 5844)]