27978314

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21961}}^1$

素因数の和:21990

約数の個数: 24

約数和(自身を含む): 52577028

約数和(自身を除く): 24598714

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 21961, 43922, 153727, 285493, 307454, 570986, 1076089, 1998451, 2152178, 3996902, 13989157, 27978314]

約数ペア:

[(1, 27978314), (2, 13989157), (7, 3996902), (13, 2152178), (14, 1998451), (26, 1076089), (49, 570986), (91, 307454), (98, 285493), (182, 153727), (637, 43922), (1274, 21961)]