30991844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{3947}}^1$

素因数の和:4115

約数の個数: 24

約数和(自身を含む): 58809408

約数和(自身を除く): 27817564

約数列:

[1, 2, 4, 13, 26, 52, 151, 302, 604, 1963, 3926, 3947, 7852, 7894, 15788, 51311, 102622, 205244, 595997, 1191994, 2383988, 7747961, 15495922, 30991844]

約数ペア:

[(1, 30991844), (2, 15495922), (4, 7747961), (13, 2383988), (26, 1191994), (52, 595997), (151, 205244), (302, 102622), (604, 51311), (1963, 15788), (3926, 7894), (3947, 7852)]