40456507

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 52236800

約数和(自身を除く): 11780293

約数列:

[1, 7, 13, 43, 49, 91, 211, 301, 343, 559, 637, 1477, 2107, 2743, 3913, 4459, 9073, 10339, 14749, 19201, 27391, 63511, 72373, 117949, 134407, 191737, 444577, 825643, 940849, 3112039, 5779501, 40456507]

約数ペア:

[(1, 40456507), (7, 5779501), (13, 3112039), (43, 940849), (49, 825643), (91, 444577), (211, 191737), (301, 134407), (343, 117949), (559, 72373), (637, 63511), (1477, 27391), (2107, 19201), (2743, 14749), (3913, 10339), (4459, 9073)]