209969396

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{19891}}^1$

素因数の和:19944

約数の個数: 48

約数和(自身を含む): 467859840

約数和(自身を除く): 257890444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 406, 754, 812, 1508, 2639, 5278, 10556, 19891, 39782, 79564, 139237, 258583, 278474, 517166, 556948, 576839, 1034332, 1153678, 1810081, 2307356, 3620162, 4037873, 7240324, 7498907, 8075746, 14997814, 16151492, 29995628, 52492349, 104984698, 209969396]

約数ペア:

[(1, 209969396), (2, 104984698), (4, 52492349), (7, 29995628), (13, 16151492), (14, 14997814), (26, 8075746), (28, 7498907), (29, 7240324), (52, 4037873), (58, 3620162), (91, 2307356), (116, 1810081), (182, 1153678), (203, 1034332), (364, 576839), (377, 556948), (406, 517166), (754, 278474), (812, 258583), (1508, 139237), (2639, 79564), (5278, 39782), (10556, 19891)]