81036862

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 131281920

約数和(自身を除く): 50245058

約数列:

[1, 2, 19, 38, 73, 131, 146, 223, 262, 446, 1387, 2489, 2774, 4237, 4978, 8474, 9563, 16279, 19126, 29213, 32558, 58426, 181697, 309301, 363394, 555047, 618602, 1110094, 2132549, 4265098, 40518431, 81036862]

約数ペア:

[(1, 81036862), (2, 40518431), (19, 4265098), (38, 2132549), (73, 1110094), (131, 618602), (146, 555047), (223, 363394), (262, 309301), (446, 181697), (1387, 58426), (2489, 32558), (2774, 29213), (4237, 19126), (4978, 16279), (8474, 9563)]