78243004

素因数分解:

$2^2\times 7^2\times {\mathrm{617}}^1\times {\mathrm{647}}^1$

素因数の和:1282

約数の個数: 36

約数和(自身を含む): 159785136

約数和(自身を除く): 81542132

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 617, 647, 1234, 1294, 2468, 2588, 4319, 4529, 8638, 9058, 17276, 18116, 30233, 31703, 60466, 63406, 120932, 126812, 399199, 798398, 1596796, 2794393, 5588786, 11177572, 19560751, 39121502, 78243004]

約数ペア:

[(1, 78243004), (2, 39121502), (4, 19560751), (7, 11177572), (14, 5588786), (28, 2794393), (49, 1596796), (98, 798398), (196, 399199), (617, 126812), (647, 120932), (1234, 63406), (1294, 60466), (2468, 31703), (2588, 30233), (4319, 18116), (4529, 17276), (8638, 9058)]