217313564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{219953}}^1$

素因数の和:219989

約数の個数: 24

約数和(自身を含む): 431109840

約数和(自身を除く): 213796276

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 219953, 439906, 879812, 2859389, 4179107, 5718778, 8358214, 11437556, 16716428, 54328391, 108656782, 217313564]

約数ペア:

[(1, 217313564), (2, 108656782), (4, 54328391), (13, 16716428), (19, 11437556), (26, 8358214), (38, 5718778), (52, 4179107), (76, 2859389), (247, 879812), (494, 439906), (988, 219953)]