222208021

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{11213}}^1$

素因数の和:11388

約数の個数: 16

約数和(自身を含む): 269136000

約数和(自身を除く): 46927979

約数列:

[1, 7, 19, 133, 149, 1043, 2831, 11213, 19817, 78491, 213047, 1491329, 1670737, 11695159, 31744003, 222208021]

約数ペア:

[(1, 222208021), (7, 31744003), (19, 11695159), (133, 1670737), (149, 1491329), (1043, 213047), (2831, 78491), (11213, 19817)]