813123456

素因数分解:

$2^7\times 3^1\times {\mathrm{53}}^1\times {\mathrm{39953}}^1$

素因数の和:40023

約数の個数: 64

約数和(自身を含む): 2200666320

約数和(自身を除く): 1387542864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 64, 96, 106, 128, 159, 192, 212, 318, 384, 424, 636, 848, 1272, 1696, 2544, 3392, 5088, 6784, 10176, 20352, 39953, 79906, 119859, 159812, 239718, 319624, 479436, 639248, 958872, 1278496, 1917744, 2117509, 2556992, 3835488, 4235018, 5113984, 6352527, 7670976, 8470036, 12705054, 15341952, 16940072, 25410108, 33880144, 50820216, 67760288, 101640432, 135520576, 203280864, 271041152, 406561728, 813123456]

約数ペア:

[(1, 813123456), (2, 406561728), (3, 271041152), (4, 203280864), (6, 135520576), (8, 101640432), (12, 67760288), (16, 50820216), (24, 33880144), (32, 25410108), (48, 16940072), (53, 15341952), (64, 12705054), (96, 8470036), (106, 7670976), (128, 6352527), (159, 5113984), (192, 4235018), (212, 3835488), (318, 2556992), (384, 2117509), (424, 1917744), (636, 1278496), (848, 958872), (1272, 639248), (1696, 479436), (2544, 319624), (3392, 239718), (5088, 159812), (6784, 119859), (10176, 79906), (20352, 39953)]