208692008

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 457416960

約数和(自身を除く): 248724952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 103, 194, 206, 373, 388, 412, 679, 721, 746, 776, 824, 1358, 1442, 1492, 2611, 2716, 2884, 2984, 5222, 5432, 5768, 9991, 10444, 19982, 20888, 36181, 38419, 39964, 69937, 72362, 76838, 79928, 139874, 144724, 153676, 253267, 268933, 279748, 289448, 307352, 506534, 537866, 559496, 1013068, 1075732, 2026136, 2151464, 3726643, 7453286, 14906572, 26086501, 29813144, 52173002, 104346004, 208692008]

約数ペア:

[(1, 208692008), (2, 104346004), (4, 52173002), (7, 29813144), (8, 26086501), (14, 14906572), (28, 7453286), (56, 3726643), (97, 2151464), (103, 2026136), (194, 1075732), (206, 1013068), (373, 559496), (388, 537866), (412, 506534), (679, 307352), (721, 289448), (746, 279748), (776, 268933), (824, 253267), (1358, 153676), (1442, 144724), (1492, 139874), (2611, 79928), (2716, 76838), (2884, 72362), (2984, 69937), (5222, 39964), (5432, 38419), (5768, 36181), (9991, 20888), (10444, 19982)]