261976988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{719717}}^1$

素因数の和:719741

約数の個数: 24

約数和(自身を含む): 564258912

約数和(自身を除く): 302281924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 719717, 1439434, 2878868, 5038019, 9356321, 10076038, 18712642, 20152076, 37425284, 65494247, 130988494, 261976988]

約数ペア:

[(1, 261976988), (2, 130988494), (4, 65494247), (7, 37425284), (13, 20152076), (14, 18712642), (26, 10076038), (28, 9356321), (52, 5038019), (91, 2878868), (182, 1439434), (364, 719717)]