1640883904

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{211891}}^1$

素因数の和:211925

約数の個数: 42

約数和(自身を含む): 3579067772

約数和(自身を除く): 1938183868

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 176, 242, 352, 484, 704, 968, 1936, 3872, 7744, 211891, 423782, 847564, 1695128, 2330801, 3390256, 4661602, 6780512, 9323204, 13561024, 18646408, 25638811, 37292816, 51277622, 74585632, 102555244, 149171264, 205110488, 410220976, 820441952, 1640883904]

約数ペア:

[(1, 1640883904), (2, 820441952), (4, 410220976), (8, 205110488), (11, 149171264), (16, 102555244), (22, 74585632), (32, 51277622), (44, 37292816), (64, 25638811), (88, 18646408), (121, 13561024), (176, 9323204), (242, 6780512), (352, 4661602), (484, 3390256), (704, 2330801), (968, 1695128), (1936, 847564), (3872, 423782), (7744, 211891)]