78714878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2131}}^1$

素因数の和:2240

約数の個数: 32

約数和(自身を含む): 136311552

約数和(自身を除く): 57596674

約数列:

[1, 2, 11, 22, 23, 46, 73, 146, 253, 506, 803, 1606, 1679, 2131, 3358, 4262, 18469, 23441, 36938, 46882, 49013, 98026, 155563, 311126, 539143, 1078286, 1711193, 3422386, 3577949, 7155898, 39357439, 78714878]

約数ペア:

[(1, 78714878), (2, 39357439), (11, 7155898), (22, 3577949), (23, 3422386), (46, 1711193), (73, 1078286), (146, 539143), (253, 311126), (506, 155563), (803, 98026), (1606, 49013), (1679, 46882), (2131, 36938), (3358, 23441), (4262, 18469)]