389530841

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2539}}^1$

素因数の和:2685

約数の個数: 24

約数和(自身を含む): 472561920

約数和(自身を除く): 83031079

約数列:

[1, 7, 31, 49, 101, 217, 707, 1519, 2539, 3131, 4949, 17773, 21917, 78709, 124411, 153419, 256439, 550963, 1795073, 3856741, 7949609, 12565511, 55647263, 389530841]

約数ペア:

[(1, 389530841), (7, 55647263), (31, 12565511), (49, 7949609), (101, 3856741), (217, 1795073), (707, 550963), (1519, 256439), (2539, 153419), (3131, 124411), (4949, 78709), (17773, 21917)]