16646864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:675

約数の個数: 40

約数和(自身を含む): 35018592

約数和(自身を除く): 18371728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 208, 326, 491, 652, 982, 1304, 1964, 2119, 2608, 3928, 4238, 6383, 7856, 8476, 12766, 16952, 25532, 33904, 51064, 80033, 102128, 160066, 320132, 640264, 1040429, 1280528, 2080858, 4161716, 8323432, 16646864]

約数ペア:

[(1, 16646864), (2, 8323432), (4, 4161716), (8, 2080858), (13, 1280528), (16, 1040429), (26, 640264), (52, 320132), (104, 160066), (163, 102128), (208, 80033), (326, 51064), (491, 33904), (652, 25532), (982, 16952), (1304, 12766), (1964, 8476), (2119, 7856), (2608, 6383), (3928, 4238)]