16228779

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 25890816

約数和(自身を除く): 9662037

約数列:

[1, 3, 7, 21, 31, 93, 97, 217, 257, 291, 651, 679, 771, 1799, 2037, 3007, 5397, 7967, 9021, 21049, 23901, 24929, 55769, 63147, 74787, 167307, 174503, 523509, 772799, 2318397, 5409593, 16228779]

約数ペア:

[(1, 16228779), (3, 5409593), (7, 2318397), (21, 772799), (31, 523509), (93, 174503), (97, 167307), (217, 74787), (257, 63147), (291, 55769), (651, 24929), (679, 23901), (771, 21049), (1799, 9021), (2037, 7967), (3007, 5397)]