256856638

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{643}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 422876160

約数和(自身を除く): 166019522

約数列:

[1, 2, 17, 31, 34, 62, 379, 527, 643, 758, 1054, 1286, 6443, 10931, 11749, 12886, 19933, 21862, 23498, 39866, 199733, 243697, 338861, 399466, 487394, 677722, 4142849, 7554607, 8285698, 15109214, 128428319, 256856638]

約数ペア:

[(1, 256856638), (2, 128428319), (17, 15109214), (31, 8285698), (34, 7554607), (62, 4142849), (379, 677722), (527, 487394), (643, 399466), (758, 338861), (1054, 243697), (1286, 199733), (6443, 39866), (10931, 23498), (11749, 21862), (12886, 19933)]