28723456

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 61258680

約数和(自身を除く): 32535224

約数列:

[1, 2, 4, 8, 16, 29, 32, 53, 58, 64, 73, 106, 116, 128, 146, 212, 232, 256, 292, 424, 464, 584, 848, 928, 1168, 1537, 1696, 1856, 2117, 2336, 3074, 3392, 3712, 3869, 4234, 4672, 6148, 6784, 7424, 7738, 8468, 9344, 12296, 13568, 15476, 16936, 18688, 24592, 30952, 33872, 49184, 61904, 67744, 98368, 112201, 123808, 135488, 196736, 224402, 247616, 270976, 393472, 448804, 495232, 541952, 897608, 990464, 1795216, 3590432, 7180864, 14361728, 28723456]

約数ペア:

[(1, 28723456), (2, 14361728), (4, 7180864), (8, 3590432), (16, 1795216), (29, 990464), (32, 897608), (53, 541952), (58, 495232), (64, 448804), (73, 393472), (106, 270976), (116, 247616), (128, 224402), (146, 196736), (212, 135488), (232, 123808), (256, 112201), (292, 98368), (424, 67744), (464, 61904), (584, 49184), (848, 33872), (928, 30952), (1168, 24592), (1537, 18688), (1696, 16936), (1856, 15476), (2117, 13568), (2336, 12296), (3074, 9344), (3392, 8468), (3712, 7738), (3869, 7424), (4234, 6784), (4672, 6148)]