40402518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{517981}}^1$

素因数の和:517999

約数の個数: 16

約数和(自身を含む): 87020976

約数和(自身を除く): 46618458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 517981, 1035962, 1553943, 3107886, 6733753, 13467506, 20201259, 40402518]

約数ペア:

[(1, 40402518), (2, 20201259), (3, 13467506), (6, 6733753), (13, 3107886), (26, 1553943), (39, 1035962), (78, 517981)]