72211445

素因数分解:

$5^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:772

約数の個数: 16

約数和(自身を含む): 87780672

約数和(自身を除く): 15569227

約数列:

[1, 5, 163, 251, 353, 815, 1255, 1765, 40913, 57539, 88603, 204565, 287695, 443015, 14442289, 72211445]

約数ペア:

[(1, 72211445), (5, 14442289), (163, 443015), (251, 287695), (353, 204565), (815, 88603), (1255, 57539), (1765, 40913)]