64049417905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1977139}}^1$

素因数の和:1977205

約数の個数: 32

約数和(自身を含む): 91106611200

約数和(自身を除く): 27057193295

約数列:

[1, 5, 11, 19, 31, 55, 95, 155, 209, 341, 589, 1045, 1705, 2945, 6479, 32395, 1977139, 9885695, 21748529, 37565641, 61291309, 108742645, 187828205, 306456545, 413222051, 674204399, 1164534871, 2066110255, 3371021995, 5822674355, 12809883581, 64049417905]

約数ペア:

[(1, 64049417905), (5, 12809883581), (11, 5822674355), (19, 3371021995), (31, 2066110255), (55, 1164534871), (95, 674204399), (155, 413222051), (209, 306456545), (341, 187828205), (589, 108742645), (1045, 61291309), (1705, 37565641), (2945, 21748529), (6479, 9885695), (32395, 1977139)]