320423866

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1\times {\mathrm{1489}}^1$

素因数の和:2326

約数の個数: 32

約数和(自身を含む): 579312000

約数和(自身を除く): 258888134

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 809, 1489, 1618, 2978, 5663, 10423, 11326, 15371, 20846, 28291, 30742, 56582, 107597, 198037, 215194, 396074, 1204601, 2409202, 8432207, 16864414, 22887419, 45774838, 160211933, 320423866]

約数ペア:

[(1, 320423866), (2, 160211933), (7, 45774838), (14, 22887419), (19, 16864414), (38, 8432207), (133, 2409202), (266, 1204601), (809, 396074), (1489, 215194), (1618, 198037), (2978, 107597), (5663, 56582), (10423, 30742), (11326, 28291), (15371, 20846)]