308945832

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{990211}}^1$

素因数の和:990233

約数の個数: 32

約数和(自身を含む): 831778080

約数和(自身を除く): 522832248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 990211, 1980422, 2970633, 3960844, 5941266, 7921688, 11882532, 12872743, 23765064, 25745486, 38618229, 51490972, 77236458, 102981944, 154472916, 308945832]

約数ペア:

[(1, 308945832), (2, 154472916), (3, 102981944), (4, 77236458), (6, 51490972), (8, 38618229), (12, 25745486), (13, 23765064), (24, 12872743), (26, 11882532), (39, 7921688), (52, 5941266), (78, 3960844), (104, 2970633), (156, 1980422), (312, 990211)]