243561856

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{647}}^1$

素因数の和:851

約数の個数: 64

約数和(自身を含む): 517531680

約数和(自身を除く): 273969824

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 173, 272, 346, 544, 647, 692, 1088, 1294, 1384, 2176, 2588, 2768, 2941, 5176, 5536, 5882, 10352, 10999, 11072, 11764, 20704, 21998, 22144, 23528, 41408, 43996, 47056, 82816, 87992, 94112, 111931, 175984, 188224, 223862, 351968, 376448, 447724, 703936, 895448, 1407872, 1790896, 1902827, 3581792, 3805654, 7163584, 7611308, 14327168, 15222616, 30445232, 60890464, 121780928, 243561856]

約数ペア:

[(1, 243561856), (2, 121780928), (4, 60890464), (8, 30445232), (16, 15222616), (17, 14327168), (32, 7611308), (34, 7163584), (64, 3805654), (68, 3581792), (128, 1902827), (136, 1790896), (173, 1407872), (272, 895448), (346, 703936), (544, 447724), (647, 376448), (692, 351968), (1088, 223862), (1294, 188224), (1384, 175984), (2176, 111931), (2588, 94112), (2768, 87992), (2941, 82816), (5176, 47056), (5536, 43996), (5882, 41408), (10352, 23528), (10999, 22144), (11072, 21998), (11764, 20704)]