12991504

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:895

約数の個数: 40

約数和(自身を含む): 26908992

約数和(自身を除く): 13917488

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 821, 989, 1642, 1978, 3284, 3956, 6568, 7912, 13136, 15824, 18883, 35303, 37766, 70606, 75532, 141212, 151064, 282424, 302128, 564848, 811969, 1623938, 3247876, 6495752, 12991504]

約数ペア:

[(1, 12991504), (2, 6495752), (4, 3247876), (8, 1623938), (16, 811969), (23, 564848), (43, 302128), (46, 282424), (86, 151064), (92, 141212), (172, 75532), (184, 70606), (344, 37766), (368, 35303), (688, 18883), (821, 15824), (989, 13136), (1642, 7912), (1978, 6568), (3284, 3956)]