1891216

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{409}}^1$

素因数の和:451

約数の個数: 30

約数和(自身を含む): 3901970

約数和(自身を除く): 2010754

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 409, 578, 818, 1156, 1636, 2312, 3272, 4624, 6544, 6953, 13906, 27812, 55624, 111248, 118201, 236402, 472804, 945608, 1891216]

約数ペア:

[(1, 1891216), (2, 945608), (4, 472804), (8, 236402), (16, 118201), (17, 111248), (34, 55624), (68, 27812), (136, 13906), (272, 6953), (289, 6544), (409, 4624), (578, 3272), (818, 2312), (1156, 1636)]