520216915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 679497984

約数和(自身を除く): 159281069

約数列:

[1, 5, 17, 47, 85, 197, 235, 661, 799, 985, 3305, 3349, 3995, 9259, 11237, 16745, 31067, 46295, 56185, 130217, 155335, 157403, 528139, 651085, 787015, 2213689, 2640695, 6120199, 11068445, 30600995, 104043383, 520216915]

約数ペア:

[(1, 520216915), (5, 104043383), (17, 30600995), (47, 11068445), (85, 6120199), (197, 2640695), (235, 2213689), (661, 787015), (799, 651085), (985, 528139), (3305, 157403), (3349, 155335), (3995, 130217), (9259, 56185), (11237, 46295), (16745, 31067)]