856388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 1655808

約数和(自身を除く): 799420

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 383, 559, 766, 1118, 1532, 2236, 4979, 9958, 16469, 19916, 32938, 65876, 214097, 428194, 856388]

約数ペア:

[(1, 856388), (2, 428194), (4, 214097), (13, 65876), (26, 32938), (43, 19916), (52, 16469), (86, 9958), (172, 4979), (383, 2236), (559, 1532), (766, 1118)]