12811372

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 26671680

約数和(自身を除く): 13860308

約数列:

[1, 2, 4, 7, 14, 28, 53, 89, 97, 106, 178, 194, 212, 356, 371, 388, 623, 679, 742, 1246, 1358, 1484, 2492, 2716, 4717, 5141, 8633, 9434, 10282, 17266, 18868, 20564, 33019, 34532, 35987, 60431, 66038, 71974, 120862, 132076, 143948, 241724, 457549, 915098, 1830196, 3202843, 6405686, 12811372]

約数ペア:

[(1, 12811372), (2, 6405686), (4, 3202843), (7, 1830196), (14, 915098), (28, 457549), (53, 241724), (89, 143948), (97, 132076), (106, 120862), (178, 71974), (194, 66038), (212, 60431), (356, 35987), (371, 34532), (388, 33019), (623, 20564), (679, 18868), (742, 17266), (1246, 10282), (1358, 9434), (1484, 8633), (2492, 5141), (2716, 4717)]