208221456

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{997}}^1$

素因数の和:1256

約数の個数: 80

約数和(自身を含む): 569259200

約数和(自身を除く): 361037744

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 229, 304, 456, 458, 687, 912, 916, 997, 1374, 1832, 1994, 2748, 2991, 3664, 3988, 4351, 5496, 5982, 7976, 8702, 10992, 11964, 13053, 15952, 17404, 18943, 23928, 26106, 34808, 37886, 47856, 52212, 56829, 69616, 75772, 104424, 113658, 151544, 208848, 227316, 228313, 303088, 454632, 456626, 684939, 909264, 913252, 1369878, 1826504, 2739756, 3653008, 4337947, 5479512, 8675894, 10959024, 13013841, 17351788, 26027682, 34703576, 52055364, 69407152, 104110728, 208221456]

約数ペア:

[(1, 208221456), (2, 104110728), (3, 69407152), (4, 52055364), (6, 34703576), (8, 26027682), (12, 17351788), (16, 13013841), (19, 10959024), (24, 8675894), (38, 5479512), (48, 4337947), (57, 3653008), (76, 2739756), (114, 1826504), (152, 1369878), (228, 913252), (229, 909264), (304, 684939), (456, 456626), (458, 454632), (687, 303088), (912, 228313), (916, 227316), (997, 208848), (1374, 151544), (1832, 113658), (1994, 104424), (2748, 75772), (2991, 69616), (3664, 56829), (3988, 52212), (4351, 47856), (5496, 37886), (5982, 34808), (7976, 26106), (8702, 23928), (10992, 18943), (11964, 17404), (13053, 15952)]