157028905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 213700608

約数和(自身を除く): 56671703

約数列:

[1, 5, 11, 43, 55, 67, 215, 335, 473, 737, 991, 2365, 2881, 3685, 4955, 10901, 14405, 31691, 42613, 54505, 66397, 158455, 213065, 331985, 468743, 730367, 2343715, 2855071, 3651835, 14275355, 31405781, 157028905]

約数ペア:

[(1, 157028905), (5, 31405781), (11, 14275355), (43, 3651835), (55, 2855071), (67, 2343715), (215, 730367), (335, 468743), (473, 331985), (737, 213065), (991, 158455), (2365, 66397), (2881, 54505), (3685, 42613), (4955, 31691), (10901, 14405)]