217771015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{24593}}^1$

素因数の和:24639

約数の個数: 32

約数和(自身を含む): 339987456

約数和(自身を除く): 122216441

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 8855, 24593, 122965, 172151, 270523, 565639, 860755, 1352615, 1893661, 2828195, 3959473, 6222029, 9468305, 19797365, 31110145, 43554203, 217771015]

約数ペア:

[(1, 217771015), (5, 43554203), (7, 31110145), (11, 19797365), (23, 9468305), (35, 6222029), (55, 3959473), (77, 2828195), (115, 1893661), (161, 1352615), (253, 860755), (385, 565639), (805, 270523), (1265, 172151), (1771, 122965), (8855, 24593)]