68872321

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 89026560

約数和(自身を除く): 20154239

約数列:

[1, 7, 17, 19, 83, 119, 133, 323, 367, 581, 1411, 1577, 2261, 2569, 6239, 6973, 9877, 11039, 26809, 30461, 43673, 48811, 118541, 187663, 213227, 517837, 578759, 829787, 3624859, 4051313, 9838903, 68872321]

約数ペア:

[(1, 68872321), (7, 9838903), (17, 4051313), (19, 3624859), (83, 829787), (119, 578759), (133, 517837), (323, 213227), (367, 187663), (581, 118541), (1411, 48811), (1577, 43673), (2261, 30461), (2569, 26809), (6239, 11039), (6973, 9877)]