39728521

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 50135040

約数和(自身を除く): 10406519

約数列:

[1, 7, 23, 29, 67, 127, 161, 203, 469, 667, 889, 1541, 1943, 2921, 3683, 4669, 8509, 10787, 13601, 20447, 25781, 44689, 59563, 84709, 195707, 246761, 312823, 592963, 1369949, 1727327, 5675503, 39728521]

約数ペア:

[(1, 39728521), (7, 5675503), (23, 1727327), (29, 1369949), (67, 592963), (127, 312823), (161, 246761), (203, 195707), (469, 84709), (667, 59563), (889, 44689), (1541, 25781), (1943, 20447), (2921, 13601), (3683, 10787), (4669, 8509)]