289479454

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{523}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 480654720

約数和(自身を除く): 191175266

約数列:

[1, 2, 11, 22, 139, 181, 278, 362, 523, 1046, 1529, 1991, 3058, 3982, 5753, 11506, 25159, 50318, 72697, 94663, 145394, 189326, 276749, 553498, 799667, 1041293, 1599334, 2082586, 13158157, 26316314, 144739727, 289479454]

約数ペア:

[(1, 289479454), (2, 144739727), (11, 26316314), (22, 13158157), (139, 2082586), (181, 1599334), (278, 1041293), (362, 799667), (523, 553498), (1046, 276749), (1529, 189326), (1991, 145394), (3058, 94663), (3982, 72697), (5753, 50318), (11506, 25159)]