218989568

素因数分解:

$2^{10}\times 7^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:387

約数の個数: 88

約数和(自身を含む): 506214912

約数和(自身を除く): 287225344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 137, 223, 224, 256, 274, 446, 448, 512, 548, 892, 896, 959, 1024, 1096, 1561, 1784, 1792, 1918, 2192, 3122, 3568, 3584, 3836, 4384, 6244, 7136, 7168, 7672, 8768, 12488, 14272, 15344, 17536, 24976, 28544, 30551, 30688, 35072, 49952, 57088, 61102, 61376, 70144, 99904, 114176, 122204, 122752, 140288, 199808, 213857, 228352, 244408, 245504, 399616, 427714, 488816, 491008, 799232, 855428, 977632, 982016, 1598464, 1710856, 1955264, 3421712, 3910528, 6843424, 7821056, 13686848, 15642112, 27373696, 31284224, 54747392, 109494784, 218989568]

約数ペア:

[(1, 218989568), (2, 109494784), (4, 54747392), (7, 31284224), (8, 27373696), (14, 15642112), (16, 13686848), (28, 7821056), (32, 6843424), (56, 3910528), (64, 3421712), (112, 1955264), (128, 1710856), (137, 1598464), (223, 982016), (224, 977632), (256, 855428), (274, 799232), (446, 491008), (448, 488816), (512, 427714), (548, 399616), (892, 245504), (896, 244408), (959, 228352), (1024, 213857), (1096, 199808), (1561, 140288), (1784, 122752), (1792, 122204), (1918, 114176), (2192, 99904), (3122, 70144), (3568, 61376), (3584, 61102), (3836, 57088), (4384, 49952), (6244, 35072), (7136, 30688), (7168, 30551), (7672, 28544), (8768, 24976), (12488, 17536), (14272, 15344)]