215001856

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 459164160

約数和(自身を除く): 244162304

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 127, 128, 136, 254, 256, 272, 389, 508, 544, 778, 1016, 1088, 1556, 2032, 2159, 2176, 3112, 4064, 4318, 4352, 6224, 6613, 8128, 8636, 12448, 13226, 16256, 17272, 24896, 26452, 32512, 34544, 49403, 49792, 52904, 69088, 98806, 99584, 105808, 138176, 197612, 211616, 276352, 395224, 423232, 552704, 790448, 839851, 846464, 1580896, 1679702, 1692928, 3161792, 3359404, 6323584, 6718808, 12647168, 13437616, 26875232, 53750464, 107500928, 215001856]

約数ペア:

[(1, 215001856), (2, 107500928), (4, 53750464), (8, 26875232), (16, 13437616), (17, 12647168), (32, 6718808), (34, 6323584), (64, 3359404), (68, 3161792), (127, 1692928), (128, 1679702), (136, 1580896), (254, 846464), (256, 839851), (272, 790448), (389, 552704), (508, 423232), (544, 395224), (778, 276352), (1016, 211616), (1088, 197612), (1556, 138176), (2032, 105808), (2159, 99584), (2176, 98806), (3112, 69088), (4064, 52904), (4318, 49792), (4352, 49403), (6224, 34544), (6613, 32512), (8128, 26452), (8636, 24896), (12448, 17272), (13226, 16256)]