321576814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1\times {\mathrm{487}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 527567040

約数和(自身を除く): 205990226

約数列:

[1, 2, 13, 26, 109, 218, 233, 466, 487, 974, 1417, 2834, 3029, 6058, 6331, 12662, 25397, 50794, 53083, 106166, 113471, 226942, 330161, 660322, 690079, 1380158, 1475123, 2950246, 12368339, 24736678, 160788407, 321576814]

約数ペア:

[(1, 321576814), (2, 160788407), (13, 24736678), (26, 12368339), (109, 2950246), (218, 1475123), (233, 1380158), (466, 690079), (487, 660322), (974, 330161), (1417, 226942), (2834, 113471), (3029, 106166), (6058, 53083), (6331, 50794), (12662, 25397)]