208105236

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 536425344

約数和(自身を除く): 328320108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 166, 249, 257, 271, 332, 498, 514, 542, 747, 771, 813, 996, 1028, 1084, 1494, 1542, 1626, 2313, 2439, 2988, 3084, 3252, 4626, 4878, 9252, 9756, 21331, 22493, 42662, 44986, 63993, 67479, 69647, 85324, 89972, 127986, 134958, 139294, 191979, 202437, 208941, 255972, 269916, 278588, 383958, 404874, 417882, 626823, 767916, 809748, 835764, 1253646, 2507292, 5780701, 11561402, 17342103, 23122804, 34684206, 52026309, 69368412, 104052618, 208105236]

約数ペア:

[(1, 208105236), (2, 104052618), (3, 69368412), (4, 52026309), (6, 34684206), (9, 23122804), (12, 17342103), (18, 11561402), (36, 5780701), (83, 2507292), (166, 1253646), (249, 835764), (257, 809748), (271, 767916), (332, 626823), (498, 417882), (514, 404874), (542, 383958), (747, 278588), (771, 269916), (813, 255972), (996, 208941), (1028, 202437), (1084, 191979), (1494, 139294), (1542, 134958), (1626, 127986), (2313, 89972), (2439, 85324), (2988, 69647), (3084, 67479), (3252, 63993), (4626, 44986), (4878, 42662), (9252, 22493), (9756, 21331)]