256860544

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3407}}^1$

素因数の和:3471

約数の個数: 64

約数和(自身を含む): 556185600

約数和(自身を除く): 299325056

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 304, 496, 589, 608, 992, 1178, 1216, 1984, 2356, 2432, 3407, 3968, 4712, 6814, 9424, 13628, 18848, 27256, 37696, 54512, 64733, 75392, 105617, 109024, 129466, 211234, 218048, 258932, 422468, 436096, 517864, 844936, 1035728, 1689872, 2006723, 2071456, 3379744, 4013446, 4142912, 6759488, 8026892, 8285824, 13518976, 16053784, 32107568, 64215136, 128430272, 256860544]

約数ペア:

[(1, 256860544), (2, 128430272), (4, 64215136), (8, 32107568), (16, 16053784), (19, 13518976), (31, 8285824), (32, 8026892), (38, 6759488), (62, 4142912), (64, 4013446), (76, 3379744), (124, 2071456), (128, 2006723), (152, 1689872), (248, 1035728), (304, 844936), (496, 517864), (589, 436096), (608, 422468), (992, 258932), (1178, 218048), (1216, 211234), (1984, 129466), (2356, 109024), (2432, 105617), (3407, 75392), (3968, 64733), (4712, 54512), (6814, 37696), (9424, 27256), (13628, 18848)]