1388279230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{821467}}^1$

素因数の和:821500

約数の個数: 24

約数和(自身を含む): 2705915592

約数和(自身を除く): 1317636362

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 821467, 1642934, 4107335, 8214670, 10679071, 21358142, 53395355, 106790710, 138827923, 277655846, 694139615, 1388279230]

約数ペア:

[(1, 1388279230), (2, 694139615), (5, 277655846), (10, 138827923), (13, 106790710), (26, 53395355), (65, 21358142), (130, 10679071), (169, 8214670), (338, 4107335), (845, 1642934), (1690, 821467)]