27980078

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{5387}}^1$

素因数の和:5456

約数の個数: 24

約数和(自身を含む): 49752792

約数和(自身を除く): 21772714

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 5194, 5387, 10774, 37709, 75418, 263963, 285511, 527926, 571022, 1998577, 3997154, 13990039, 27980078]

約数ペア:

[(1, 27980078), (2, 13990039), (7, 3997154), (14, 1998577), (49, 571022), (53, 527926), (98, 285511), (106, 263963), (371, 75418), (742, 37709), (2597, 10774), (5194, 5387)]