30999938

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{127}}^2$

素因数の和:318

約数の個数: 18

約数和(自身を含む): 48429603

約数和(自身を除く): 17429665

約数列:

[1, 2, 31, 62, 127, 254, 961, 1922, 3937, 7874, 16129, 32258, 122047, 244094, 499999, 999998, 15499969, 30999938]

約数ペア:

[(1, 30999938), (2, 15499969), (31, 999998), (62, 499999), (127, 244094), (254, 122047), (961, 32258), (1922, 16129), (3937, 7874)]