67678765

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7643}}^1$

素因数の和:7689

約数の個数: 32

約数和(自身を含む): 105670656

約数和(自身を除く): 37991891

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 7643, 8855, 38215, 53501, 84073, 175789, 267505, 420365, 588511, 878945, 1230523, 1933679, 2942555, 6152615, 9668395, 13535753, 67678765]

約数ペア:

[(1, 67678765), (5, 13535753), (7, 9668395), (11, 6152615), (23, 2942555), (35, 1933679), (55, 1230523), (77, 878945), (115, 588511), (161, 420365), (253, 267505), (385, 175789), (805, 84073), (1265, 53501), (1771, 38215), (7643, 8855)]