16994417

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 20951040

約数和(自身を除く): 3956623

約数列:

[1, 11, 19, 31, 43, 61, 209, 341, 473, 589, 671, 817, 1159, 1333, 1891, 2623, 6479, 8987, 12749, 14663, 20801, 25327, 28853, 35929, 49837, 81313, 278597, 395219, 548207, 894443, 1544947, 16994417]

約数ペア:

[(1, 16994417), (11, 1544947), (19, 894443), (31, 548207), (43, 395219), (61, 278597), (209, 81313), (341, 49837), (473, 35929), (589, 28853), (671, 25327), (817, 20801), (1159, 14663), (1333, 12749), (1891, 8987), (2623, 6479)]