245173616

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{971}}^1$

素因数の和:1389

約数の個数: 40

約数和(自身を含む): 487897344

約数和(自身を除く): 242723728

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 367, 688, 734, 971, 1468, 1942, 2936, 3884, 5872, 7768, 15536, 15781, 31562, 41753, 63124, 83506, 126248, 167012, 252496, 334024, 356357, 668048, 712714, 1425428, 2850856, 5701712, 15323351, 30646702, 61293404, 122586808, 245173616]

約数ペア:

[(1, 245173616), (2, 122586808), (4, 61293404), (8, 30646702), (16, 15323351), (43, 5701712), (86, 2850856), (172, 1425428), (344, 712714), (367, 668048), (688, 356357), (734, 334024), (971, 252496), (1468, 167012), (1942, 126248), (2936, 83506), (3884, 63124), (5872, 41753), (7768, 31562), (15536, 15781)]