281375488

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{25561}}^1$

素因数の和:25620

約数の個数: 36

約数和(自身を含む): 574736008

約数和(自身を除く): 293360520

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 2752, 5504, 11008, 25561, 51122, 102244, 204488, 408976, 817952, 1099123, 1635904, 2198246, 3271808, 4396492, 6543616, 8792984, 17585968, 35171936, 70343872, 140687744, 281375488]

約数ペア:

[(1, 281375488), (2, 140687744), (4, 70343872), (8, 35171936), (16, 17585968), (32, 8792984), (43, 6543616), (64, 4396492), (86, 3271808), (128, 2198246), (172, 1635904), (256, 1099123), (344, 817952), (688, 408976), (1376, 204488), (2752, 102244), (5504, 51122), (11008, 25561)]