219985052

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{253439}}^1$

素因数の和:253481

約数の個数: 24

約数和(自身を含む): 454164480

約数和(自身を除く): 234179428

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 253439, 506878, 1013756, 1774073, 3548146, 7096292, 7856609, 15713218, 31426436, 54996263, 109992526, 219985052]

約数ペア:

[(1, 219985052), (2, 109992526), (4, 54996263), (7, 31426436), (14, 15713218), (28, 7856609), (31, 7096292), (62, 3548146), (124, 1774073), (217, 1013756), (434, 506878), (868, 253439)]