217359968

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 505128960

約数和(自身を除く): 287768992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 79, 112, 142, 158, 173, 224, 284, 316, 346, 497, 553, 568, 632, 692, 994, 1106, 1136, 1211, 1264, 1384, 1988, 2212, 2272, 2422, 2528, 2768, 3976, 4424, 4844, 5536, 5609, 7952, 8848, 9688, 11218, 12283, 13667, 15904, 17696, 19376, 22436, 24566, 27334, 38752, 39263, 44872, 49132, 54668, 78526, 85981, 89744, 95669, 98264, 109336, 157052, 171962, 179488, 191338, 196528, 218672, 314104, 343924, 382676, 393056, 437344, 628208, 687848, 765352, 970357, 1256416, 1375696, 1530704, 1940714, 2751392, 3061408, 3881428, 6792499, 7762856, 13584998, 15525712, 27169996, 31051424, 54339992, 108679984, 217359968]

約数ペア:

[(1, 217359968), (2, 108679984), (4, 54339992), (7, 31051424), (8, 27169996), (14, 15525712), (16, 13584998), (28, 7762856), (32, 6792499), (56, 3881428), (71, 3061408), (79, 2751392), (112, 1940714), (142, 1530704), (158, 1375696), (173, 1256416), (224, 970357), (284, 765352), (316, 687848), (346, 628208), (497, 437344), (553, 393056), (568, 382676), (632, 343924), (692, 314104), (994, 218672), (1106, 196528), (1136, 191338), (1211, 179488), (1264, 171962), (1384, 157052), (1988, 109336), (2212, 98264), (2272, 95669), (2422, 89744), (2528, 85981), (2768, 78526), (3976, 54668), (4424, 49132), (4844, 44872), (5536, 39263), (5609, 38752), (7952, 27334), (8848, 24566), (9688, 22436), (11218, 19376), (12283, 17696), (13667, 15904)]