645874544

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^2\times {\mathrm{6857}}^1$

素因数の和:6930

約数の個数: 60

約数和(自身を含む): 1481382864

約数和(自身を除く): 835508320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 841, 1624, 1682, 3248, 3364, 5887, 6728, 6857, 11774, 13456, 13714, 23548, 27428, 47096, 47999, 54856, 94192, 95998, 109712, 191996, 198853, 383992, 397706, 767984, 795412, 1391971, 1590824, 2783942, 3181648, 5567884, 5766737, 11135768, 11533474, 22271536, 23066948, 40367159, 46133896, 80734318, 92267792, 161468636, 322937272, 645874544]

約数ペア:

[(1, 645874544), (2, 322937272), (4, 161468636), (7, 92267792), (8, 80734318), (14, 46133896), (16, 40367159), (28, 23066948), (29, 22271536), (56, 11533474), (58, 11135768), (112, 5766737), (116, 5567884), (203, 3181648), (232, 2783942), (406, 1590824), (464, 1391971), (812, 795412), (841, 767984), (1624, 397706), (1682, 383992), (3248, 198853), (3364, 191996), (5887, 109712), (6728, 95998), (6857, 94192), (11774, 54856), (13456, 47999), (13714, 47096), (23548, 27428)]