28039984

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 65620800

約数和(自身を除く): 37580816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 89, 97, 112, 116, 178, 194, 203, 232, 356, 388, 406, 464, 623, 679, 712, 776, 812, 1246, 1358, 1424, 1552, 1624, 2492, 2581, 2716, 2813, 3248, 4984, 5162, 5432, 5626, 8633, 9968, 10324, 10864, 11252, 17266, 18067, 19691, 20648, 22504, 34532, 36134, 39382, 41296, 45008, 60431, 69064, 72268, 78764, 120862, 138128, 144536, 157528, 241724, 250357, 289072, 315056, 483448, 500714, 966896, 1001428, 1752499, 2002856, 3504998, 4005712, 7009996, 14019992, 28039984]

約数ペア:

[(1, 28039984), (2, 14019992), (4, 7009996), (7, 4005712), (8, 3504998), (14, 2002856), (16, 1752499), (28, 1001428), (29, 966896), (56, 500714), (58, 483448), (89, 315056), (97, 289072), (112, 250357), (116, 241724), (178, 157528), (194, 144536), (203, 138128), (232, 120862), (356, 78764), (388, 72268), (406, 69064), (464, 60431), (623, 45008), (679, 41296), (712, 39382), (776, 36134), (812, 34532), (1246, 22504), (1358, 20648), (1424, 19691), (1552, 18067), (1624, 17266), (2492, 11252), (2581, 10864), (2716, 10324), (2813, 9968), (3248, 8633), (4984, 5626), (5162, 5432)]