139355447

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{739}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 181862400

約数和(自身を除く): 42506953

約数列:

[1, 7, 11, 31, 77, 79, 217, 341, 553, 739, 869, 2387, 2449, 5173, 6083, 8129, 17143, 22909, 26939, 56903, 58381, 160363, 188573, 251999, 408667, 642191, 1763993, 1809811, 4495337, 12668677, 19907921, 139355447]

約数ペア:

[(1, 139355447), (7, 19907921), (11, 12668677), (31, 4495337), (77, 1809811), (79, 1763993), (217, 642191), (341, 408667), (553, 251999), (739, 188573), (869, 160363), (2387, 58381), (2449, 56903), (5173, 26939), (6083, 22909), (8129, 17143)]