261654484

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 587121920

約数和(自身を除く): 325467436

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 73, 86, 91, 146, 172, 182, 229, 292, 301, 364, 458, 511, 559, 602, 916, 949, 1022, 1118, 1204, 1603, 1898, 2044, 2236, 2977, 3139, 3206, 3796, 3913, 5954, 6278, 6412, 6643, 7826, 9847, 11908, 12556, 13286, 15652, 16717, 19694, 20839, 21973, 26572, 33434, 39388, 40807, 41678, 43946, 66868, 68929, 81614, 83356, 87892, 117019, 128011, 137858, 163228, 217321, 234038, 256022, 275716, 285649, 434642, 468076, 512044, 571298, 718831, 869284, 896077, 1142596, 1437662, 1521247, 1792154, 2875324, 3042494, 3584308, 5031817, 6084988, 9344803, 10063634, 18689606, 20127268, 37379212, 65413621, 130827242, 261654484]

約数ペア:

[(1, 261654484), (2, 130827242), (4, 65413621), (7, 37379212), (13, 20127268), (14, 18689606), (26, 10063634), (28, 9344803), (43, 6084988), (52, 5031817), (73, 3584308), (86, 3042494), (91, 2875324), (146, 1792154), (172, 1521247), (182, 1437662), (229, 1142596), (292, 896077), (301, 869284), (364, 718831), (458, 571298), (511, 512044), (559, 468076), (602, 434642), (916, 285649), (949, 275716), (1022, 256022), (1118, 234038), (1204, 217321), (1603, 163228), (1898, 137858), (2044, 128011), (2236, 117019), (2977, 87892), (3139, 83356), (3206, 81614), (3796, 68929), (3913, 66868), (5954, 43946), (6278, 41678), (6412, 40807), (6643, 39388), (7826, 33434), (9847, 26572), (11908, 21973), (12556, 20839), (13286, 19694), (15652, 16717)]