1729390780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6651503}}^1$

素因数の和:6651525

約数の個数: 24

約数和(自身を含む): 3911084352

約数和(自身を除く): 2181693572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6651503, 13303006, 26606012, 33257515, 66515030, 86469539, 133030060, 172939078, 345878156, 432347695, 864695390, 1729390780]

約数ペア:

[(1, 1729390780), (2, 864695390), (4, 432347695), (5, 345878156), (10, 172939078), (13, 133030060), (20, 86469539), (26, 66515030), (52, 33257515), (65, 26606012), (130, 13303006), (260, 6651503)]