129296752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{621619}}^1$

素因数の和:621640

約数の個数: 20

約数和(自身を含む): 269783080

約数和(自身を除く): 140486328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 621619, 1243238, 2486476, 4972952, 8081047, 9945904, 16162094, 32324188, 64648376, 129296752]

約数ペア:

[(1, 129296752), (2, 64648376), (4, 32324188), (8, 16162094), (13, 9945904), (16, 8081047), (26, 4972952), (52, 2486476), (104, 1243238), (208, 621619)]