28295839

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 34573824

約数和(自身を除く): 6277985

約数列:

[1, 11, 13, 31, 143, 169, 341, 403, 491, 1859, 4433, 5239, 5401, 6383, 15221, 57629, 70213, 82979, 167431, 197873, 912769, 2176603, 2572349, 28295839]

約数ペア:

[(1, 28295839), (11, 2572349), (13, 2176603), (31, 912769), (143, 197873), (169, 167431), (341, 82979), (403, 70213), (491, 57629), (1859, 15221), (4433, 6383), (5239, 5401)]