28257552

素因数分解:

$2^4\times 3^3\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:605

約数の個数: 80

約数和(自身を含む): 81840000

約数和(自身を除く): 53582448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 149, 216, 298, 432, 439, 447, 596, 878, 894, 1192, 1317, 1341, 1756, 1788, 2384, 2634, 2682, 3512, 3576, 3951, 4023, 5268, 5364, 7024, 7152, 7902, 8046, 10536, 10728, 11853, 15804, 16092, 21072, 21456, 23706, 31608, 32184, 47412, 63216, 64368, 65411, 94824, 130822, 189648, 196233, 261644, 392466, 523288, 588699, 784932, 1046576, 1177398, 1569864, 1766097, 2354796, 3139728, 3532194, 4709592, 7064388, 9419184, 14128776, 28257552]

約数ペア:

[(1, 28257552), (2, 14128776), (3, 9419184), (4, 7064388), (6, 4709592), (8, 3532194), (9, 3139728), (12, 2354796), (16, 1766097), (18, 1569864), (24, 1177398), (27, 1046576), (36, 784932), (48, 588699), (54, 523288), (72, 392466), (108, 261644), (144, 196233), (149, 189648), (216, 130822), (298, 94824), (432, 65411), (439, 64368), (447, 63216), (596, 47412), (878, 32184), (894, 31608), (1192, 23706), (1317, 21456), (1341, 21072), (1756, 16092), (1788, 15804), (2384, 11853), (2634, 10728), (2682, 10536), (3512, 8046), (3576, 7902), (3951, 7152), (4023, 7024), (5268, 5364)]