209439828

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{447521}}^1$

素因数の和:447544

約数の個数: 36

約数和(自身を含む): 570143028

約数和(自身を除く): 360703200

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 447521, 895042, 1342563, 1790084, 2685126, 4027689, 5370252, 5817773, 8055378, 11635546, 16110756, 17453319, 23271092, 34906638, 52359957, 69813276, 104719914, 209439828]

約数ペア:

[(1, 209439828), (2, 104719914), (3, 69813276), (4, 52359957), (6, 34906638), (9, 23271092), (12, 17453319), (13, 16110756), (18, 11635546), (26, 8055378), (36, 5817773), (39, 5370252), (52, 4027689), (78, 2685126), (117, 1790084), (156, 1342563), (234, 895042), (468, 447521)]