16826645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 23224320

約数和(自身を除く): 6397675

約数列:

[1, 5, 11, 31, 55, 71, 139, 155, 341, 355, 695, 781, 1529, 1705, 2201, 3905, 4309, 7645, 9869, 11005, 21545, 24211, 47399, 49345, 108559, 121055, 236995, 305939, 542795, 1529695, 3365329, 16826645]

約数ペア:

[(1, 16826645), (5, 3365329), (11, 1529695), (31, 542795), (55, 305939), (71, 236995), (139, 121055), (155, 108559), (341, 49345), (355, 47399), (695, 24211), (781, 21545), (1529, 11005), (1705, 9869), (2201, 7645), (3905, 4309)]