491487391

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 569109888

約数和(自身を除く): 77622497

約数列:

[1, 17, 23, 37, 53, 391, 629, 641, 851, 901, 1219, 1961, 10897, 14467, 14743, 20723, 23717, 33337, 33973, 45103, 250631, 403189, 545491, 577541, 766751, 781379, 1257001, 9273347, 13283443, 21369017, 28911023, 491487391]

約数ペア:

[(1, 491487391), (17, 28911023), (23, 21369017), (37, 13283443), (53, 9273347), (391, 1257001), (629, 781379), (641, 766751), (851, 577541), (901, 545491), (1219, 403189), (1961, 250631), (10897, 45103), (14467, 33973), (14743, 33337), (20723, 23717)]