219385295

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{5639}}^1$

素因数の和:5926

約数の個数: 16

約数和(自身を含む): 272885760

約数和(自身を除く): 53500465

約数列:

[1, 5, 31, 155, 251, 1255, 5639, 7781, 28195, 38905, 174809, 874045, 1415389, 7076945, 43877059, 219385295]

約数ペア:

[(1, 219385295), (5, 43877059), (31, 7076945), (155, 1415389), (251, 874045), (1255, 174809), (5639, 38905), (7781, 28195)]