198207955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1151}}^1$

素因数の和:1299

約数の個数: 32

約数和(自身を含む): 270729216

約数和(自身を除く): 72521261

約数列:

[1, 5, 11, 31, 55, 101, 155, 341, 505, 1111, 1151, 1705, 3131, 5555, 5755, 12661, 15655, 34441, 35681, 63305, 116251, 172205, 178405, 392491, 581255, 1278761, 1962455, 3603781, 6393805, 18018905, 39641591, 198207955]

約数ペア:

[(1, 198207955), (5, 39641591), (11, 18018905), (31, 6393805), (55, 3603781), (101, 1962455), (155, 1278761), (341, 581255), (505, 392491), (1111, 178405), (1151, 172205), (1705, 116251), (3131, 63305), (5555, 35681), (5755, 34441), (12661, 15655)]