42390886

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:540

約数の個数: 24

約数和(自身を含む): 67289040

約数和(自身を除く): 24898154

約数列:

[1, 2, 23, 46, 103, 206, 389, 529, 778, 1058, 2369, 4738, 8947, 17894, 40067, 54487, 80134, 108974, 205781, 411562, 921541, 1843082, 21195443, 42390886]

約数ペア:

[(1, 42390886), (2, 21195443), (23, 1843082), (46, 921541), (103, 411562), (206, 205781), (389, 108974), (529, 80134), (778, 54487), (1058, 40067), (2369, 17894), (4738, 8947)]