217877644

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{25229}}^1$

素因数の和:25377

約数の個数: 24

約数和(自身を含む): 406909440

約数和(自身を除く): 189031796

約数列:

[1, 2, 4, 17, 34, 68, 127, 254, 508, 2159, 4318, 8636, 25229, 50458, 100916, 428893, 857786, 1715572, 3204083, 6408166, 12816332, 54469411, 108938822, 217877644]

約数ペア:

[(1, 217877644), (2, 108938822), (4, 54469411), (17, 12816332), (34, 6408166), (68, 3204083), (127, 1715572), (254, 857786), (508, 428893), (2159, 100916), (4318, 50458), (8636, 25229)]