78705068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2153}}^1$

素因数の和:2226

約数の個数: 48

約数和(自身を含む): 160429920

約数和(自身を除く): 81724852

約数列:

[1, 2, 4, 13, 19, 26, 37, 38, 52, 74, 76, 148, 247, 481, 494, 703, 962, 988, 1406, 1924, 2153, 2812, 4306, 8612, 9139, 18278, 27989, 36556, 40907, 55978, 79661, 81814, 111956, 159322, 163628, 318644, 531791, 1035593, 1063582, 1513559, 2071186, 2127164, 3027118, 4142372, 6054236, 19676267, 39352534, 78705068]

約数ペア:

[(1, 78705068), (2, 39352534), (4, 19676267), (13, 6054236), (19, 4142372), (26, 3027118), (37, 2127164), (38, 2071186), (52, 1513559), (74, 1063582), (76, 1035593), (148, 531791), (247, 318644), (481, 163628), (494, 159322), (703, 111956), (962, 81814), (988, 79661), (1406, 55978), (1924, 40907), (2153, 36556), (2812, 27989), (4306, 18278), (8612, 9139)]