31761728

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:307

約数の個数: 56

約数和(自身を含む): 66217800

約数和(自身を除く): 34456072

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 109, 116, 157, 218, 232, 314, 436, 464, 628, 872, 928, 1256, 1744, 1856, 2512, 3161, 3488, 4553, 5024, 6322, 6976, 9106, 10048, 12644, 17113, 18212, 25288, 34226, 36424, 50576, 68452, 72848, 101152, 136904, 145696, 202304, 273808, 291392, 496277, 547616, 992554, 1095232, 1985108, 3970216, 7940432, 15880864, 31761728]

約数ペア:

[(1, 31761728), (2, 15880864), (4, 7940432), (8, 3970216), (16, 1985108), (29, 1095232), (32, 992554), (58, 547616), (64, 496277), (109, 291392), (116, 273808), (157, 202304), (218, 145696), (232, 136904), (314, 101152), (436, 72848), (464, 68452), (628, 50576), (872, 36424), (928, 34226), (1256, 25288), (1744, 18212), (1856, 17113), (2512, 12644), (3161, 10048), (3488, 9106), (4553, 6976), (5024, 6322)]