331318979

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 386396160

約数和(自身を除く): 55077181

約数列:

[1, 19, 23, 31, 37, 437, 589, 661, 703, 713, 851, 1147, 12559, 13547, 15203, 16169, 20491, 21793, 24457, 26381, 288857, 389329, 464683, 471293, 501239, 562511, 758167, 8954567, 10687709, 14405173, 17437841, 331318979]

約数ペア:

[(1, 331318979), (19, 17437841), (23, 14405173), (31, 10687709), (37, 8954567), (437, 758167), (589, 562511), (661, 501239), (703, 471293), (713, 464683), (851, 389329), (1147, 288857), (12559, 26381), (13547, 24457), (15203, 21793), (16169, 20491)]