66990308

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{827}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 146893824

約数和(自身を除く): 79903516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 263, 308, 526, 827, 1052, 1654, 1841, 2893, 3308, 3682, 5786, 5789, 7364, 9097, 11572, 11578, 18194, 20251, 23156, 36388, 40502, 63679, 81004, 127358, 217501, 254716, 435002, 870004, 1522507, 2392511, 3045014, 4785022, 6090028, 9570044, 16747577, 33495154, 66990308]

約数ペア:

[(1, 66990308), (2, 33495154), (4, 16747577), (7, 9570044), (11, 6090028), (14, 4785022), (22, 3045014), (28, 2392511), (44, 1522507), (77, 870004), (154, 435002), (263, 254716), (308, 217501), (526, 127358), (827, 81004), (1052, 63679), (1654, 40502), (1841, 36388), (2893, 23156), (3308, 20251), (3682, 18194), (5786, 11578), (5789, 11572), (7364, 9097)]