213516430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{2861}}^1$

素因数の和:3324

約数の個数: 32

約数和(自身を含む): 408006720

約数和(自身を除く): 194490290

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 439, 878, 2195, 2861, 4390, 5722, 7463, 14305, 14926, 28610, 37315, 48637, 74630, 97274, 243185, 486370, 1255979, 2511958, 6279895, 12559790, 21351643, 42703286, 106758215, 213516430]

約数ペア:

[(1, 213516430), (2, 106758215), (5, 42703286), (10, 21351643), (17, 12559790), (34, 6279895), (85, 2511958), (170, 1255979), (439, 486370), (878, 243185), (2195, 97274), (2861, 74630), (4390, 48637), (5722, 37315), (7463, 28610), (14305, 14926)]