1771369985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2137}}^1\times {\mathrm{2153}}^1$

素因数の和:4313

約数の個数: 32

約数和(自身を含む): 2652625152

約数和(自身を除く): 881255167

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 2137, 2153, 10685, 10765, 14959, 15071, 23507, 23683, 74795, 75355, 117535, 118415, 164549, 165781, 822745, 828905, 4600961, 23004805, 32206727, 50610571, 161033635, 253052855, 354273997, 1771369985]

約数ペア:

[(1, 1771369985), (5, 354273997), (7, 253052855), (11, 161033635), (35, 50610571), (55, 32206727), (77, 23004805), (385, 4600961), (2137, 828905), (2153, 822745), (10685, 165781), (10765, 164549), (14959, 118415), (15071, 117535), (23507, 75355), (23683, 74795)]