217431365

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{16901}}^1$

素因数の和:17020

約数の個数: 16

約数和(自身を含む): 272595456

約数和(自身を除く): 55164091

約数列:

[1, 5, 31, 83, 155, 415, 2573, 12865, 16901, 84505, 523931, 1402783, 2619655, 7013915, 43486273, 217431365]

約数ペア:

[(1, 217431365), (5, 43486273), (31, 7013915), (83, 2619655), (155, 1402783), (415, 523931), (2573, 84505), (12865, 16901)]