689007872

素因数分解:

$2^8\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:348

約数の個数: 144

約数和(自身を含む): 1669866240

約数和(自身を除く): 980858368

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 73, 92, 112, 128, 146, 161, 184, 224, 229, 256, 292, 322, 368, 448, 458, 511, 584, 644, 736, 896, 916, 1022, 1168, 1288, 1472, 1603, 1679, 1792, 1832, 2044, 2336, 2576, 2944, 3206, 3358, 3664, 4088, 4672, 5152, 5267, 5888, 6412, 6716, 7328, 8176, 9344, 10304, 10534, 11753, 12824, 13432, 14656, 16352, 16717, 18688, 20608, 21068, 23506, 25648, 26864, 29312, 32704, 33434, 36869, 41216, 42136, 47012, 51296, 53728, 58624, 65408, 66868, 73738, 84272, 94024, 102592, 107456, 117019, 130816, 133736, 147476, 168544, 188048, 205184, 214912, 234038, 267472, 294952, 337088, 376096, 384491, 410368, 429824, 468076, 534944, 589904, 674176, 752192, 768982, 936152, 1069888, 1179808, 1348352, 1504384, 1537964, 1872304, 2139776, 2359616, 2691437, 3008768, 3075928, 3744608, 4279552, 4719232, 5382874, 6151856, 7489216, 9438464, 10765748, 12303712, 14978432, 21531496, 24607424, 29956864, 43062992, 49214848, 86125984, 98429696, 172251968, 344503936, 689007872]

約数ペア:

[(1, 689007872), (2, 344503936), (4, 172251968), (7, 98429696), (8, 86125984), (14, 49214848), (16, 43062992), (23, 29956864), (28, 24607424), (32, 21531496), (46, 14978432), (56, 12303712), (64, 10765748), (73, 9438464), (92, 7489216), (112, 6151856), (128, 5382874), (146, 4719232), (161, 4279552), (184, 3744608), (224, 3075928), (229, 3008768), (256, 2691437), (292, 2359616), (322, 2139776), (368, 1872304), (448, 1537964), (458, 1504384), (511, 1348352), (584, 1179808), (644, 1069888), (736, 936152), (896, 768982), (916, 752192), (1022, 674176), (1168, 589904), (1288, 534944), (1472, 468076), (1603, 429824), (1679, 410368), (1792, 384491), (1832, 376096), (2044, 337088), (2336, 294952), (2576, 267472), (2944, 234038), (3206, 214912), (3358, 205184), (3664, 188048), (4088, 168544), (4672, 147476), (5152, 133736), (5267, 130816), (5888, 117019), (6412, 107456), (6716, 102592), (7328, 94024), (8176, 84272), (9344, 73738), (10304, 66868), (10534, 65408), (11753, 58624), (12824, 53728), (13432, 51296), (14656, 47012), (16352, 42136), (16717, 41216), (18688, 36869), (20608, 33434), (21068, 32704), (23506, 29312), (25648, 26864)]