199023904

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{491}}^1$

素因数の和:793

約数の個数: 48

約数和(自身を含む): 401708160

約数和(自身を除く): 202684256

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 239, 424, 478, 491, 848, 956, 982, 1696, 1912, 1964, 3824, 3928, 7648, 7856, 12667, 15712, 25334, 26023, 50668, 52046, 101336, 104092, 117349, 202672, 208184, 234698, 405344, 416368, 469396, 832736, 938792, 1877584, 3755168, 6219497, 12438994, 24877988, 49755976, 99511952, 199023904]

約数ペア:

[(1, 199023904), (2, 99511952), (4, 49755976), (8, 24877988), (16, 12438994), (32, 6219497), (53, 3755168), (106, 1877584), (212, 938792), (239, 832736), (424, 469396), (478, 416368), (491, 405344), (848, 234698), (956, 208184), (982, 202672), (1696, 117349), (1912, 104092), (1964, 101336), (3824, 52046), (3928, 50668), (7648, 26023), (7856, 25334), (12667, 15712)]