217860186

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^2\times {\mathrm{68639}}^1$

素因数の和:68690

約数の個数: 24

約数和(自身を含む): 455495040

約数和(自身を除く): 237634854

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 529, 1058, 1587, 3174, 68639, 137278, 205917, 411834, 1578697, 3157394, 4736091, 9472182, 36310031, 72620062, 108930093, 217860186]

約数ペア:

[(1, 217860186), (2, 108930093), (3, 72620062), (6, 36310031), (23, 9472182), (46, 4736091), (69, 3157394), (138, 1578697), (529, 411834), (1058, 205917), (1587, 137278), (3174, 68639)]