3997352008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{725209}}^1$

素因数の和:725281

約数の個数: 32

約数和(自身を含む): 8223881400

約数和(自身を除く): 4226529392

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 725209, 1450418, 2900836, 5801672, 9427717, 18855434, 37710868, 38436077, 75421736, 76872154, 153744308, 307488616, 499669001, 999338002, 1998676004, 3997352008]

約数ペア:

[(1, 3997352008), (2, 1998676004), (4, 999338002), (8, 499669001), (13, 307488616), (26, 153744308), (52, 76872154), (53, 75421736), (104, 38436077), (106, 37710868), (212, 18855434), (424, 9427717), (689, 5801672), (1378, 2900836), (2756, 1450418), (5512, 725209)]