51754456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 109105920

約数和(自身を除く): 57351464

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 71, 86, 104, 142, 163, 172, 284, 326, 344, 559, 568, 652, 923, 1118, 1304, 1846, 2119, 2236, 3053, 3692, 4238, 4472, 6106, 7009, 7384, 8476, 11573, 12212, 14018, 16952, 23146, 24424, 28036, 39689, 46292, 56072, 79378, 91117, 92584, 150449, 158756, 182234, 300898, 317512, 364468, 497639, 601796, 728936, 995278, 1203592, 1990556, 3981112, 6469307, 12938614, 25877228, 51754456]

約数ペア:

[(1, 51754456), (2, 25877228), (4, 12938614), (8, 6469307), (13, 3981112), (26, 1990556), (43, 1203592), (52, 995278), (71, 728936), (86, 601796), (104, 497639), (142, 364468), (163, 317512), (172, 300898), (284, 182234), (326, 158756), (344, 150449), (559, 92584), (568, 91117), (652, 79378), (923, 56072), (1118, 46292), (1304, 39689), (1846, 28036), (2119, 24424), (2236, 23146), (3053, 16952), (3692, 14018), (4238, 12212), (4472, 11573), (6106, 8476), (7009, 7384)]