221359964

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{255023}}^1$

素因数の和:255065

約数の個数: 24

約数和(自身を含む): 457003008

約数和(自身を除く): 235643044

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 255023, 510046, 1020092, 1785161, 3570322, 7140644, 7905713, 15811426, 31622852, 55339991, 110679982, 221359964]

約数ペア:

[(1, 221359964), (2, 110679982), (4, 55339991), (7, 31622852), (14, 15811426), (28, 7905713), (31, 7140644), (62, 3570322), (124, 1785161), (217, 1020092), (434, 510046), (868, 255023)]