208048316

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 442947456

約数和(自身を除く): 234899140

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 97, 98, 124, 194, 196, 217, 353, 388, 434, 679, 706, 868, 1358, 1412, 1519, 2471, 2716, 3007, 3038, 4753, 4942, 6014, 6076, 9506, 9884, 10943, 12028, 17297, 19012, 21049, 21886, 34241, 34594, 42098, 43772, 68482, 69188, 76601, 84196, 136964, 147343, 153202, 239687, 294686, 306404, 479374, 536207, 589372, 958748, 1061471, 1072414, 1677809, 2122942, 2144828, 3355618, 4245884, 6711236, 7430297, 14860594, 29721188, 52012079, 104024158, 208048316]

約数ペア:

[(1, 208048316), (2, 104024158), (4, 52012079), (7, 29721188), (14, 14860594), (28, 7430297), (31, 6711236), (49, 4245884), (62, 3355618), (97, 2144828), (98, 2122942), (124, 1677809), (194, 1072414), (196, 1061471), (217, 958748), (353, 589372), (388, 536207), (434, 479374), (679, 306404), (706, 294686), (868, 239687), (1358, 153202), (1412, 147343), (1519, 136964), (2471, 84196), (2716, 76601), (3007, 69188), (3038, 68482), (4753, 43772), (4942, 42098), (6014, 34594), (6076, 34241), (9506, 21886), (9884, 21049), (10943, 19012), (12028, 17297)]