217636702928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{715910207}}^1$

素因数の和:715910234

約数の個数: 20

約数和(自身を含む): 443864328960

約数和(自身を除く): 226227626032

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 715910207, 1431820414, 2863640828, 5727281656, 11454563312, 13602293933, 27204587866, 54409175732, 108818351464, 217636702928]

約数ペア:

[(1, 217636702928), (2, 108818351464), (4, 54409175732), (8, 27204587866), (16, 13602293933), (19, 11454563312), (38, 5727281656), (76, 2863640828), (152, 1431820414), (304, 715910207)]