221609084

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{4549}}^1$

素因数の和:5213

約数の個数: 24

約数和(自身を含む): 408954000

約数和(自身を除く): 187344916

約数列:

[1, 2, 4, 19, 38, 76, 641, 1282, 2564, 4549, 9098, 12179, 18196, 24358, 48716, 86431, 172862, 345724, 2915909, 5831818, 11663636, 55402271, 110804542, 221609084]

約数ペア:

[(1, 221609084), (2, 110804542), (4, 55402271), (19, 11663636), (38, 5831818), (76, 2915909), (641, 345724), (1282, 172862), (2564, 86431), (4549, 48716), (9098, 24358), (12179, 18196)]