211025408

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:539

約数の個数: 80

約数和(自身を含む): 466242480

約数和(自身を除く): 255217072

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 89, 128, 176, 178, 256, 352, 356, 421, 512, 704, 712, 842, 979, 1408, 1424, 1684, 1958, 2816, 2848, 3368, 3916, 4631, 5632, 5696, 6736, 7832, 9262, 11392, 13472, 15664, 18524, 22784, 26944, 31328, 37048, 37469, 45568, 53888, 62656, 74096, 74938, 107776, 125312, 148192, 149876, 215552, 250624, 296384, 299752, 412159, 501248, 592768, 599504, 824318, 1185536, 1199008, 1648636, 2371072, 2398016, 3297272, 4796032, 6594544, 9592064, 13189088, 19184128, 26378176, 52756352, 105512704, 211025408]

約数ペア:

[(1, 211025408), (2, 105512704), (4, 52756352), (8, 26378176), (11, 19184128), (16, 13189088), (22, 9592064), (32, 6594544), (44, 4796032), (64, 3297272), (88, 2398016), (89, 2371072), (128, 1648636), (176, 1199008), (178, 1185536), (256, 824318), (352, 599504), (356, 592768), (421, 501248), (512, 412159), (704, 299752), (712, 296384), (842, 250624), (979, 215552), (1408, 149876), (1424, 148192), (1684, 125312), (1958, 107776), (2816, 74938), (2848, 74096), (3368, 62656), (3916, 53888), (4631, 45568), (5632, 37469), (5696, 37048), (6736, 31328), (7832, 26944), (9262, 22784), (11392, 18524), (13472, 15664)]