1285202978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{3343}}^1$

素因数の和:3582

約数の個数: 32

約数和(自身を含む): 2073815040

約数和(自身を除く): 788612062

約数列:

[1, 2, 19, 38, 67, 134, 151, 302, 1273, 2546, 2869, 3343, 5738, 6686, 10117, 20234, 63517, 127034, 192223, 223981, 384446, 447962, 504793, 1009586, 4255639, 8511278, 9591067, 19182134, 33821131, 67642262, 642601489, 1285202978]

約数ペア:

[(1, 1285202978), (2, 642601489), (19, 67642262), (38, 33821131), (67, 19182134), (134, 9591067), (151, 8511278), (302, 4255639), (1273, 1009586), (2546, 504793), (2869, 447962), (3343, 384446), (5738, 223981), (6686, 192223), (10117, 127034), (20234, 63517)]