321728128

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{147853}}^1$

素因数の和:147884

約数の個数: 32

約数和(自身を含む): 678649860

約数和(自身を除く): 356921732

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 147853, 295706, 591412, 1182824, 2365648, 2513501, 4731296, 5027002, 9462592, 10054004, 18925184, 20108008, 40216016, 80432032, 160864064, 321728128]

約数ペア:

[(1, 321728128), (2, 160864064), (4, 80432032), (8, 40216016), (16, 20108008), (17, 18925184), (32, 10054004), (34, 9462592), (64, 5027002), (68, 4731296), (128, 2513501), (136, 2365648), (272, 1182824), (544, 591412), (1088, 295706), (2176, 147853)]