278660732

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{4201}}^1$

素因数の和:4338

約数の個数: 48

約数和(自身を含む): 587338752

約数和(自身を除く): 308678020

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 103, 161, 206, 322, 412, 644, 721, 1442, 2369, 2884, 4201, 4738, 8402, 9476, 16583, 16804, 29407, 33166, 58814, 66332, 96623, 117628, 193246, 386492, 432703, 676361, 865406, 1352722, 1730812, 2705444, 3028921, 6057842, 9952169, 12115684, 19904338, 39808676, 69665183, 139330366, 278660732]

約数ペア:

[(1, 278660732), (2, 139330366), (4, 69665183), (7, 39808676), (14, 19904338), (23, 12115684), (28, 9952169), (46, 6057842), (92, 3028921), (103, 2705444), (161, 1730812), (206, 1352722), (322, 865406), (412, 676361), (644, 432703), (721, 386492), (1442, 193246), (2369, 117628), (2884, 96623), (4201, 66332), (4738, 58814), (8402, 33166), (9476, 29407), (16583, 16804)]