128511016

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{907}}^1$

素因数の和:1201

約数の個数: 32

約数和(自身を含む): 245160000

約数和(自身を除く): 116648984

約数列:

[1, 2, 4, 8, 89, 178, 199, 356, 398, 712, 796, 907, 1592, 1814, 3628, 7256, 17711, 35422, 70844, 80723, 141688, 161446, 180493, 322892, 360986, 645784, 721972, 1443944, 16063877, 32127754, 64255508, 128511016]

約数ペア:

[(1, 128511016), (2, 64255508), (4, 32127754), (8, 16063877), (89, 1443944), (178, 721972), (199, 645784), (356, 360986), (398, 322892), (712, 180493), (796, 161446), (907, 141688), (1592, 80723), (1814, 70844), (3628, 35422), (7256, 17711)]