289489902

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{21961}}^1$

素因数の和:22005

約数の個数: 32

約数和(自身を含む): 627234720

約数和(自身を除く): 337744818

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 2197, 4394, 6591, 13182, 21961, 43922, 65883, 131766, 285493, 570986, 856479, 1712958, 3711409, 7422818, 11134227, 22268454, 48248317, 96496634, 144744951, 289489902]

約数ペア:

[(1, 289489902), (2, 144744951), (3, 96496634), (6, 48248317), (13, 22268454), (26, 11134227), (39, 7422818), (78, 3711409), (169, 1712958), (338, 856479), (507, 570986), (1014, 285493), (2197, 131766), (4394, 65883), (6591, 43922), (13182, 21961)]