207523328

素因数分解:

$2^9\times {\mathrm{409}}^1\times {\mathrm{991}}^1$

素因数の和:1418

約数の個数: 40

約数和(自身を含む): 416074560

約数和(自身を除く): 208551232

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 409, 512, 818, 991, 1636, 1982, 3272, 3964, 6544, 7928, 13088, 15856, 26176, 31712, 52352, 63424, 104704, 126848, 209408, 253696, 405319, 507392, 810638, 1621276, 3242552, 6485104, 12970208, 25940416, 51880832, 103761664, 207523328]

約数ペア:

[(1, 207523328), (2, 103761664), (4, 51880832), (8, 25940416), (16, 12970208), (32, 6485104), (64, 3242552), (128, 1621276), (256, 810638), (409, 507392), (512, 405319), (818, 253696), (991, 209408), (1636, 126848), (1982, 104704), (3272, 63424), (3964, 52352), (6544, 31712), (7928, 26176), (13088, 15856)]