28477728

素因数分解:

$2^5\times 3^2\times {\mathrm{61}}^1\times {\mathrm{1621}}^1$

素因数の和:1698

約数の個数: 72

約数和(自身を含む): 82361916

約数和(自身を除く): 53884188

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 72, 96, 122, 144, 183, 244, 288, 366, 488, 549, 732, 976, 1098, 1464, 1621, 1952, 2196, 2928, 3242, 4392, 4863, 5856, 6484, 8784, 9726, 12968, 14589, 17568, 19452, 25936, 29178, 38904, 51872, 58356, 77808, 98881, 116712, 155616, 197762, 233424, 296643, 395524, 466848, 593286, 791048, 889929, 1186572, 1582096, 1779858, 2373144, 3164192, 3559716, 4746288, 7119432, 9492576, 14238864, 28477728]

約数ペア:

[(1, 28477728), (2, 14238864), (3, 9492576), (4, 7119432), (6, 4746288), (8, 3559716), (9, 3164192), (12, 2373144), (16, 1779858), (18, 1582096), (24, 1186572), (32, 889929), (36, 791048), (48, 593286), (61, 466848), (72, 395524), (96, 296643), (122, 233424), (144, 197762), (183, 155616), (244, 116712), (288, 98881), (366, 77808), (488, 58356), (549, 51872), (732, 38904), (976, 29178), (1098, 25936), (1464, 19452), (1621, 17568), (1952, 14589), (2196, 12968), (2928, 9726), (3242, 8784), (4392, 6484), (4863, 5856)]