639696

素因数分解:

$2^4\times 3^1\times {\mathrm{13327}}^1$

素因数の和:13338

約数の個数: 20

約数和(自身を含む): 1652672

約数和(自身を除く): 1012976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13327, 26654, 39981, 53308, 79962, 106616, 159924, 213232, 319848, 639696]

約数ペア:

[(1, 639696), (2, 319848), (3, 213232), (4, 159924), (6, 106616), (8, 79962), (12, 53308), (16, 39981), (24, 26654), (48, 13327)]