68428219391

素因数分解:

$7^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1\times {\mathrm{353}}^1\times {\mathrm{389}}^1$

素因数の和:1283

約数の個数: 32

約数和(自身を含む): 79217723520

約数和(自身を除く): 10789504129

約数列:

[1, 7, 257, 277, 353, 389, 1799, 1939, 2471, 2723, 71189, 90721, 97781, 99973, 107753, 137317, 498323, 635047, 684467, 699811, 754271, 961219, 25129717, 27692521, 35290469, 38036809, 175908019, 193847647, 247033283, 266257663, 9775459913, 68428219391]

約数ペア:

[(1, 68428219391), (7, 9775459913), (257, 266257663), (277, 247033283), (353, 193847647), (389, 175908019), (1799, 38036809), (1939, 35290469), (2471, 27692521), (2723, 25129717), (71189, 961219), (90721, 754271), (97781, 699811), (99973, 684467), (107753, 635047), (137317, 498323)]