208565908

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 382886784

約数和(自身を除く): 174320876

約数列:

[1, 2, 4, 67, 71, 97, 113, 134, 142, 194, 226, 268, 284, 388, 452, 4757, 6499, 6887, 7571, 8023, 9514, 10961, 12998, 13774, 15142, 16046, 19028, 21922, 25996, 27548, 30284, 32092, 43844, 461429, 537541, 734387, 778231, 922858, 1075082, 1468774, 1556462, 1845716, 2150164, 2937548, 3112924, 52141477, 104282954, 208565908]

約数ペア:

[(1, 208565908), (2, 104282954), (4, 52141477), (67, 3112924), (71, 2937548), (97, 2150164), (113, 1845716), (134, 1556462), (142, 1468774), (194, 1075082), (226, 922858), (268, 778231), (284, 734387), (388, 537541), (452, 461429), (4757, 43844), (6499, 32092), (6887, 30284), (7571, 27548), (8023, 25996), (9514, 21922), (10961, 19028), (12998, 16046), (13774, 15142)]