247968256

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:985

約数の個数: 80

約数和(自身を含む): 542108160

約数和(自身を除く): 294139904

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 256, 272, 496, 512, 527, 544, 919, 992, 1054, 1088, 1838, 1984, 2108, 2176, 3676, 3968, 4216, 4352, 7352, 7936, 8432, 8704, 14704, 15623, 15872, 16864, 28489, 29408, 31246, 33728, 56978, 58816, 62492, 67456, 113956, 117632, 124984, 134912, 227912, 235264, 249968, 269824, 455824, 470528, 484313, 499936, 911648, 968626, 999872, 1823296, 1937252, 1999744, 3646592, 3874504, 3999488, 7293184, 7749008, 7998976, 14586368, 15498016, 30996032, 61992064, 123984128, 247968256]

約数ペア:

[(1, 247968256), (2, 123984128), (4, 61992064), (8, 30996032), (16, 15498016), (17, 14586368), (31, 7998976), (32, 7749008), (34, 7293184), (62, 3999488), (64, 3874504), (68, 3646592), (124, 1999744), (128, 1937252), (136, 1823296), (248, 999872), (256, 968626), (272, 911648), (496, 499936), (512, 484313), (527, 470528), (544, 455824), (919, 269824), (992, 249968), (1054, 235264), (1088, 227912), (1838, 134912), (1984, 124984), (2108, 117632), (2176, 113956), (3676, 67456), (3968, 62492), (4216, 58816), (4352, 56978), (7352, 33728), (7936, 31246), (8432, 29408), (8704, 28489), (14704, 16864), (15623, 15872)]