28408848

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{859}}^1$

素因数の和:936

約数の個数: 80

約数和(自身を含む): 80619840

約数和(自身を除く): 52210992

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 53, 78, 104, 106, 156, 159, 208, 212, 312, 318, 424, 624, 636, 689, 848, 859, 1272, 1378, 1718, 2067, 2544, 2577, 2756, 3436, 4134, 5154, 5512, 6872, 8268, 10308, 11024, 11167, 13744, 16536, 20616, 22334, 33072, 33501, 41232, 44668, 45527, 67002, 89336, 91054, 134004, 136581, 178672, 182108, 268008, 273162, 364216, 536016, 546324, 591851, 728432, 1092648, 1183702, 1775553, 2185296, 2367404, 3551106, 4734808, 7102212, 9469616, 14204424, 28408848]

約数ペア:

[(1, 28408848), (2, 14204424), (3, 9469616), (4, 7102212), (6, 4734808), (8, 3551106), (12, 2367404), (13, 2185296), (16, 1775553), (24, 1183702), (26, 1092648), (39, 728432), (48, 591851), (52, 546324), (53, 536016), (78, 364216), (104, 273162), (106, 268008), (156, 182108), (159, 178672), (208, 136581), (212, 134004), (312, 91054), (318, 89336), (424, 67002), (624, 45527), (636, 44668), (689, 41232), (848, 33501), (859, 33072), (1272, 22334), (1378, 20616), (1718, 16536), (2067, 13744), (2544, 11167), (2577, 11024), (2756, 10308), (3436, 8268), (4134, 6872), (5154, 5512)]