66890564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 134534400

約数和(自身を除く): 67643836

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 79, 158, 247, 316, 494, 857, 988, 1027, 1501, 1714, 2054, 3002, 3428, 4108, 6004, 11141, 16283, 19513, 22282, 32566, 39026, 44564, 65132, 67703, 78052, 135406, 211679, 270812, 423358, 846716, 880139, 1286357, 1760278, 2572714, 3520556, 5145428, 16722641, 33445282, 66890564]

約数ペア:

[(1, 66890564), (2, 33445282), (4, 16722641), (13, 5145428), (19, 3520556), (26, 2572714), (38, 1760278), (52, 1286357), (76, 880139), (79, 846716), (158, 423358), (247, 270812), (316, 211679), (494, 135406), (857, 78052), (988, 67703), (1027, 65132), (1501, 44564), (1714, 39026), (2054, 32566), (3002, 22282), (3428, 19513), (4108, 16283), (6004, 11141)]