28804048

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 69884416

約数和(自身を除く): 41080368

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 73, 91, 104, 112, 146, 182, 208, 271, 292, 364, 511, 542, 584, 728, 949, 1022, 1084, 1168, 1456, 1897, 1898, 2044, 2168, 3523, 3794, 3796, 4088, 4336, 6643, 7046, 7588, 7592, 8176, 13286, 14092, 15176, 15184, 19783, 24661, 26572, 28184, 30352, 39566, 49322, 53144, 56368, 79132, 98644, 106288, 138481, 158264, 197288, 257179, 276962, 316528, 394576, 514358, 553924, 1028716, 1107848, 1800253, 2057432, 2215696, 3600506, 4114864, 7201012, 14402024, 28804048]

約数ペア:

[(1, 28804048), (2, 14402024), (4, 7201012), (7, 4114864), (8, 3600506), (13, 2215696), (14, 2057432), (16, 1800253), (26, 1107848), (28, 1028716), (52, 553924), (56, 514358), (73, 394576), (91, 316528), (104, 276962), (112, 257179), (146, 197288), (182, 158264), (208, 138481), (271, 106288), (292, 98644), (364, 79132), (511, 56368), (542, 53144), (584, 49322), (728, 39566), (949, 30352), (1022, 28184), (1084, 26572), (1168, 24661), (1456, 19783), (1897, 15184), (1898, 15176), (2044, 14092), (2168, 13286), (3523, 8176), (3794, 7592), (3796, 7588), (4088, 7046), (4336, 6643)]