197207147776

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{1279}}^1\times {\mathrm{19429}}^1$

素因数の和:20755

約数の個数: 72

約数和(自身を含む): 406680780800

約数和(自身を除く): 209473633024

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1279, 1984, 2558, 3968, 5116, 7936, 10232, 19429, 20464, 38858, 39649, 40928, 77716, 79298, 81856, 155432, 158596, 163712, 310864, 317192, 327424, 602299, 621728, 634384, 1204598, 1243456, 1268768, 2409196, 2486912, 2537536, 4818392, 4973824, 5075072, 9636784, 10150144, 19273568, 24849691, 38547136, 49699382, 77094272, 99398764, 154188544, 198797528, 397595056, 770340421, 795190112, 1540680842, 1590380224, 3081361684, 3180760448, 6162723368, 6361520896, 12325446736, 24650893472, 49301786944, 98603573888, 197207147776]

約数ペア:

[(1, 197207147776), (2, 98603573888), (4, 49301786944), (8, 24650893472), (16, 12325446736), (31, 6361520896), (32, 6162723368), (62, 3180760448), (64, 3081361684), (124, 1590380224), (128, 1540680842), (248, 795190112), (256, 770340421), (496, 397595056), (992, 198797528), (1279, 154188544), (1984, 99398764), (2558, 77094272), (3968, 49699382), (5116, 38547136), (7936, 24849691), (10232, 19273568), (19429, 10150144), (20464, 9636784), (38858, 5075072), (39649, 4973824), (40928, 4818392), (77716, 2537536), (79298, 2486912), (81856, 2409196), (155432, 1268768), (158596, 1243456), (163712, 1204598), (310864, 634384), (317192, 621728), (327424, 602299)]