39928805

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 57659904

約数和(自身を除く): 17731099

約数列:

[1, 5, 7, 23, 35, 115, 161, 193, 257, 805, 965, 1285, 1351, 1799, 4439, 5911, 6755, 8995, 22195, 29555, 31073, 41377, 49601, 155365, 206885, 248005, 347207, 1140823, 1736035, 5704115, 7985761, 39928805]

約数ペア:

[(1, 39928805), (5, 7985761), (7, 5704115), (23, 1736035), (35, 1140823), (115, 347207), (161, 248005), (193, 206885), (257, 155365), (805, 49601), (965, 41377), (1285, 31073), (1351, 29555), (1799, 22195), (4439, 8995), (5911, 6755)]