217004494

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{4523}}^1$

素因数の和:4704

約数の個数: 32

約数和(自身を含む): 390873600

約数和(自身を除く): 173869106

約数列:

[1, 2, 7, 14, 23, 46, 149, 161, 298, 322, 1043, 2086, 3427, 4523, 6854, 9046, 23989, 31661, 47978, 63322, 104029, 208058, 673927, 728203, 1347854, 1456406, 4717489, 9434978, 15500321, 31000642, 108502247, 217004494]

約数ペア:

[(1, 217004494), (2, 108502247), (7, 31000642), (14, 15500321), (23, 9434978), (46, 4717489), (149, 1456406), (161, 1347854), (298, 728203), (322, 673927), (1043, 208058), (2086, 104029), (3427, 63322), (4523, 47978), (6854, 31661), (9046, 23989)]