217006955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10091}}^1$

素因数の和:10147

約数の個数: 32

約数和(自身を含む): 313901568

約数和(自身を除く): 96894613

約数列:

[1, 5, 11, 17, 23, 55, 85, 115, 187, 253, 391, 935, 1265, 1955, 4301, 10091, 21505, 50455, 111001, 171547, 232093, 555005, 857735, 1160465, 1887017, 2553023, 3945581, 9435085, 12765115, 19727905, 43401391, 217006955]

約数ペア:

[(1, 217006955), (5, 43401391), (11, 19727905), (17, 12765115), (23, 9435085), (55, 3945581), (85, 2553023), (115, 1887017), (187, 1160465), (253, 857735), (391, 555005), (935, 232093), (1265, 171547), (1955, 111001), (4301, 50455), (10091, 21505)]