217879922

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{8081}}^1$

素因数の和:8174

約数の個数: 32

約数和(自身を含む): 378819504

約数和(自身を除く): 160939582

約数列:

[1, 2, 13, 17, 26, 34, 61, 122, 221, 442, 793, 1037, 1586, 2074, 8081, 13481, 16162, 26962, 105053, 137377, 210106, 274754, 492941, 985882, 1785901, 3571802, 6408233, 8379997, 12816466, 16759994, 108939961, 217879922]

約数ペア:

[(1, 217879922), (2, 108939961), (13, 16759994), (17, 12816466), (26, 8379997), (34, 6408233), (61, 3571802), (122, 1785901), (221, 985882), (442, 492941), (793, 274754), (1037, 210106), (1586, 137377), (2074, 105053), (8081, 26962), (13481, 16162)]