1981744

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{4271}}^1$

素因数の和:4308

約数の個数: 20

約数和(自身を含む): 3972960

約数和(自身を除く): 1991216

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 4271, 8542, 17084, 34168, 68336, 123859, 247718, 495436, 990872, 1981744]

約数ペア:

[(1, 1981744), (2, 990872), (4, 495436), (8, 247718), (16, 123859), (29, 68336), (58, 34168), (116, 17084), (232, 8542), (464, 4271)]