215816656

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{28517}}^1$

素因数の和:28579

約数の個数: 40

約数和(自身を含む): 466782624

約数和(自身を除く): 250965968

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 3784, 7568, 28517, 57034, 114068, 228136, 313687, 456272, 627374, 1226231, 1254748, 2452462, 2509496, 4904924, 5018992, 9809848, 13488541, 19619696, 26977082, 53954164, 107908328, 215816656]

約数ペア:

[(1, 215816656), (2, 107908328), (4, 53954164), (8, 26977082), (11, 19619696), (16, 13488541), (22, 9809848), (43, 5018992), (44, 4904924), (86, 2509496), (88, 2452462), (172, 1254748), (176, 1226231), (344, 627374), (473, 456272), (688, 313687), (946, 228136), (1892, 114068), (3784, 57034), (7568, 28517)]