161497744

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{165469}}^1$

素因数の和:165538

約数の個数: 20

約数和(自身を含む): 318033340

約数和(自身を除く): 156535596

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 165469, 330938, 661876, 1323752, 2647504, 10093609, 20187218, 40374436, 80748872, 161497744]

約数ペア:

[(1, 161497744), (2, 80748872), (4, 40374436), (8, 20187218), (16, 10093609), (61, 2647504), (122, 1323752), (244, 661876), (488, 330938), (976, 165469)]