647276032

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3137}}^1$

素因数の和:3199

約数の個数: 80

約数和(自身を含む): 1438157952

約数和(自身を除く): 790881920

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 992, 1612, 1664, 1984, 3137, 3224, 3328, 3968, 6274, 6448, 6656, 7936, 12548, 12896, 15872, 25096, 25792, 40781, 50192, 51584, 81562, 97247, 100384, 103168, 163124, 194494, 200768, 206336, 326248, 388988, 401536, 652496, 777976, 803072, 1264211, 1304992, 1555952, 1606144, 2528422, 2609984, 3111904, 5056844, 5219968, 6223808, 10113688, 10439936, 12447616, 20227376, 20879872, 24895232, 40454752, 49790464, 80909504, 161819008, 323638016, 647276032]

約数ペア:

[(1, 647276032), (2, 323638016), (4, 161819008), (8, 80909504), (13, 49790464), (16, 40454752), (26, 24895232), (31, 20879872), (32, 20227376), (52, 12447616), (62, 10439936), (64, 10113688), (104, 6223808), (124, 5219968), (128, 5056844), (208, 3111904), (248, 2609984), (256, 2528422), (403, 1606144), (416, 1555952), (496, 1304992), (512, 1264211), (806, 803072), (832, 777976), (992, 652496), (1612, 401536), (1664, 388988), (1984, 326248), (3137, 206336), (3224, 200768), (3328, 194494), (3968, 163124), (6274, 103168), (6448, 100384), (6656, 97247), (7936, 81562), (12548, 51584), (12896, 50192), (15872, 40781), (25096, 25792)]