208582945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 273715200

約数和(自身を除く): 65132255

約数列:

[1, 5, 17, 47, 85, 109, 235, 479, 545, 799, 1853, 2395, 3995, 5123, 8143, 9265, 22513, 25615, 40715, 52211, 87091, 112565, 261055, 382721, 435455, 887587, 1913605, 2453917, 4437935, 12269585, 41716589, 208582945]

約数ペア:

[(1, 208582945), (5, 41716589), (17, 12269585), (47, 4437935), (85, 2453917), (109, 1913605), (235, 887587), (479, 435455), (545, 382721), (799, 261055), (1853, 112565), (2395, 87091), (3995, 52211), (5123, 40715), (8143, 25615), (9265, 22513)]